The Hardest TV Detectives Quiz Ever—How Many Can You Get Right?

The Hardest TV Detectives Quiz Ever—How Many Can You Get Right?


July 28, 2026 | Sasha Wren

The Hardest TV Detectives Quiz Ever—How Many Can You Get Right?


Think You Know Television’s Greatest Detectives?

Television has produced brilliant police officers, rumpled private investigators, crime-solving writers, and amateur sleuths who notice what everyone else misses. These 20 questions cover famous shows, actors, catchphrases, professions, vehicles, cities, and clues. Some answers may seem obvious, but the toughest cases are rarely as simple as they first appear.

Tom Selleck as the titular investigator in the television series 'Magnum, P.I.', circa 1985. He is posing with his red Ferrari 308Sunset Boulevard/Corbis, Getty Images

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1. Which Actor Played Detective Stavros On Kojak?

A. Kevin Dobson
B. Dan Frazer
C. George Savalas
D. Telly Savalas

Left to right: George Savalas (1924 - 1985), as Sergeant Stavros, Telly Savalas (1922 - 1994), as Detective Lieutenant Theo Kojak, Dan Frazer (1921 - 2011) as Captain Frank McNeil and Mark Russell as Detective Percy Saperstein, in a promotional portrait for the TV crime series 'Kojak', circa 1975. Silver Screen Collection, Getty Images

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Answer: George Savalas

George Savalas played Detective Stavros, a member of Kojak’s Manhattan-based police squad. George Savalas was the real-life younger brother of the show's star Telly Savalas, who played Lieutenant Theo Kojak. 

George SavalasCBS Television, Wikimedia Commons, Modified

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2. Which Detective Frequently Said, “Just One More Thing”?

A. Adrian Monk
B. Jim Rockford
C. Lieutenant Columbo
D. Thomas Magnum

Publicity photo of Peter Falk and Richard Kiley in the television program Columbo.NBC Television, Wikimedia Commons

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Answer: Lieutenant Columbo

Peter Falk’s Lieutenant Columbo often appeared ready to leave before returning with another deceptively simple question. “Just one more thing” became closely associated with the character’s method of unsettling suspects who believed they had outsmarted him.

Lieutenant ColumboTV studio, Wikimedia Commons, Modified  

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3. What Was Jessica Fletcher’s Profession?

A. Newspaper Reporter
B. Mystery Novelist
C. Criminal Psychologist
D. District Attorney

Screenshot from Murder, She Wrote (1984-1996)Screenshot from Murder, She Wrote, NBCUniversal (1984-1996)

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Answer: Mystery Novelist

Jessica Fletcher was a successful mystery writer and amateur detective in Murder, She Wrote. Angela Lansbury’s observant sleuth frequently encountered suspicious deaths in her hometown of Cabot Cove and during her travels.

Screenshot from Murder, She Wrote (1984-1996)Screenshot from Murder, She Wrote, NBCUniversal (1984-1996)

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4. Which Vehicle Was Closely Associated With Thomas Magnum?

A. Chevrolet Corvette
B. Porsche 911
C. Ferrari 308 GTS
D. Pontiac Firebird

Tom Selleck, filming a scene for MAGNUM P.I. in April 1984 at the Kahala Hilton Hotel in Hawaii.Alan Light, Wikimedia Commons

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Answer: Ferrari 308 GTS

Tom Selleck’s Thomas Magnum regularly drove a red Ferrari 308 GTS in the original Magnum, P.I. The sports car belonged to the mysterious Robin Masters, whose Hawaiian estate served as Magnum’s home and unofficial headquarters.

Ferrari 308 GTSCalreyn88, Wikimedia Commons

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5. Which Actor Played Private Investigator Joe Mannix?

A. David Janssen
B. Mike Connors
C. Efrem Zimbalist Jr.
D. Fernando Lamas  

Photo of guest star Fernando Lamas with series star Mike Connors from the television program Mannix.CBS Television, Wikimedia Commons

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Answer: Mike Connors

Mike Connors starred as Los Angeles private investigator Joe Mannix. The character endured fistfights, shootings, car crashes, and dangerous cases throughout the long-running CBS detective series.

Photo of Mike Connors as the title character from the television program Mannix.CBS Television, Wikimedia Commons

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6. In Which City Did Adrian Monk Work As A Police Consultant?

A. Seattle
B. Boston
C. San Francisco
D. Chicago

Screenshot from Monk (2002-2009)Screenshot from Monk, NBCUniversal (2002-2009), Enhanced

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Answer: San Francisco

Adrian Monk was a former San Francisco police detective who later worked as a consultant for the department. His remarkable attention to detail allowed him to solve cases despite the fears and compulsions that complicated his daily life.

neufal54neufal54, Pixabay

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7. Where Did Veronica Mars Begin Her Detective Work?

A. Neptune, California
B. Sunnydale, California
C. Monterey, California
D. Santa Carla, California

Screenshot from  Veronica Mars (2004-2019) Screenshot from Veronica Mars, Warner Bros. Television (2004-2019)

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Answer: Neptune, California

Veronica Mars lived in the fictional community of Neptune, California. Kristen Bell’s character began investigating cases as a high school student while helping her father, private investigator Keith Mars.

Screenshot from  Veronica Mars (2004-2019) Screenshot from Veronica Mars, Warner Bros. Television (2004-2019), Enhanced8. Which Actor Played Detective Frank Cannon?

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A. William Conrad
B. Buddy Ebsen
C. Robert Blake
D. Mike Connors

Photo of William Conrad from the television program Cannon.CBS Television, Wikimedia Commons

Answer: William Conrad

William Conrad starred as private investigator Frank Cannon in the CBS series Cannon. The character was a former police officer who used his intelligence, connections, and considerable determination to solve difficult cases.

(Original Caption) 10/2/1975-Los Angeles, CA- Joan Fontaine and William Conrad, star of the CBS-TV series Bettmann, Getty Images

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9. Where Did Jim Rockford Live?

A. A Beachside Trailer In Malibu
B. A Houseboat In San Diego
C. A Ranch Outside Los Angeles
D. An Apartment In Hollywood

The Rockford FilesNBC Television, Wikimedia Commons, Enhanced

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Answer: A Beachside Trailer In Malibu

Jim Rockford lived in a trailer parked on the beach in Malibu, California. The modest home contrasted with the glamorous lifestyles often seen in other detective series and became one of The Rockford Files' most recognizable settings.

Screenshot from The Rockford Files  (1974-1980) Screenshot from The Rockford Files, NBCUniversal (1974-1980)

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10. On Law & Order: Special Victims Unit, Who Was Olivia Benson's Original Detective Partner?

A. Nick Amaro
B. Elliot Stabler
C. John Munch
D. Fin Tutuola

Screenshot from Law & Order: Special Victims Unit (1999–present)Screenshot from Law & Order: Special Victims Unit, Wolf Entertainment/Universal Television (1999–present)

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Answer: Elliot Stabler

Christopher Meloni played Detective Elliot Stabler, Olivia Benson's longtime partner during the series' early years. Their close professional relationship became one of the defining partnerships in television crime drama.

Screenshot from Law & Order: Special Victims Unit (1999–present) Screenshot from Law & Order: Special Victims Unit, Universal Television (1999–present)

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11. What Was Father Brown’s Profession?

A. University Professor
B. Solicitor
C. Roman Catholic Priest
D. Medical Examiner

Screenshot from Father Brown (2013-Present) Screenshot from Father Brown, BBC Studios (2013-Present)

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Answer: Roman Catholic Priest

Father Brown is a Roman Catholic priest with an unusual talent for understanding criminals. In the BBC television series, Mark Williams plays the compassionate amateur detective, who solves cases in the fictional village of Kembleford.

Screenshot from Father Brown (2013-Present) Screenshot from Father Brown, BBC Studios (2013-Present)

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12. On Remington Steele, Who Created The Fictional Detective Remington Steele?

A. Laura Holt
B. Mildred Krebs
C. Murphy Michaels
D. Bernice Foxe

Screenshot from Remington Steele (1982-1987)Screenshot from Remington Steele, NBC Television Network (1982-1987)

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Answer: Laura Holt

Laura Holt invented the fictional detective Remington Steele because clients were reluctant to hire a female private investigator. When a mysterious man assumed the identity, the two began solving cases together under the same name.

Screenshot from Remington Steele (1982-1987)Screenshot from Remington Steele, NBC Television Network (1982-1987)

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13. Which Actor Played Detective Joe Friday?

A. Jack Webb
B. Robert Stack
C. Efrem Zimbalist Jr.
D. George Kennedy

Photo of Jack Webb and Harry Morgan from the television program Dragnet.  The caption associates the photo with the episodeNBC Television, Wikimedia Commons

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Answer: Jack Webb

Jack Webb created Dragnet and portrayed Detective Joe Friday on both radio and television. His restrained, no-nonsense style became one of the most influential performances in police drama history.

Photo of Jack Webb as Sergeant Joe Friday from the television series Dragnet.NBC Television, Wikimedia Commons

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14. Which Of These Detectives Kept A Pet Alligator Named Elvis?

A. Thomas Magnum
B. Sonny Crockett
C. Columbo
D. Jim Rockford

Screenshot from Miami Vice (1984-1989) Screenshot from Miami Vice, NBC (1984-1989)

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Answer: Sonny Crockett

Sonny Crockett kept a pet alligator named Elvis at his home in Miami Vice. The unusual companion became one of the show's most memorable recurring details.

Screenshot from Miami Vice (1984-1989) Screenshot from Miami Vice, NBC (1984-1989)

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15. On Brooklyn Nine-Nine, Which Actor Played Detective Jake Peralta?

A. Adam Scott
B. Andy Samberg
C. Joe Lo Truglio
D. Bill Hader

Screenshot from Brooklyn Nine-Nine (2013-2021)Screenshot from Brooklyn Nine-Nine, NBC (2013-2021)

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Answer: Andy Samberg

Andy Samberg starred as Detective Jake Peralta throughout the series' eight-season run. His quick wit, competitive streak, and unconventional investigative style helped make Brooklyn Nine-Nine a modern sitcom favorite.

Screenshot from Brooklyn Nine-Nine (2013-2021)Screenshot from Brooklyn Nine-Nine, NBC (2013-2021)

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16. On Nash Bridges, Which City Did Inspector Nash Bridges Patrol?

A. Miami
B. San Francisco
C. Las Vegas
D. Seattle

Screenshot from Nash Bridges (1996-2001) Screenshot from Nash Bridges, CBS Television Distribution (1996-2001)

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Answer: San Francisco

Don Johnson played Inspector Nash Bridges, a member of the San Francisco Police Department's Special Investigations Unit. The city's hills, waterfront, and colorful neighborhoods became an important part of the show's identity.

Golden State Bridge, San FranciscoRagnar Vorel, Unsplash

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17. Which Of These Detectives Lives In The Village Of St. Mary Mead?

A. Jessica Fletcher
B. Miss Marple
C. Jane Tennison
D. Vera Stanhope

Screenshot from Miss Marple (2004-2013)Screenshot from Miss Marple, ITV (2004-2013)

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Answer: Miss Marple

Miss Marple lives in the quiet English village of St. Mary Mead, where many of her investigations begin. Her ability to draw parallels between village life and criminal behavior makes her an exceptionally effective amateur detective.

Screenshot from Miss Marple (2004-2013)Screenshot from Miss Marple, ITV (2004-2013)

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18. On Luther, What Rank Did John Luther Hold?

A. Detective Sergeant
B. Detective Inspector
C. Detective Chief Inspector
D. Detective Superintendent

Screenshot from Luther (2010-2019) Screenshot from Luther, BBC Studios (2010-2019)

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Answer: Detective Chief Inspector

Idris Elba played John Luther, a Detective Chief Inspector in London's Serious Crime Unit. His brilliance as an investigator was often complicated by his obsessive personality and willingness to cross ethical boundaries.

Screenshot from Luther (2010-2019) Screenshot from Luther, BBC Studios (2010-2019)

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19. Which Detective Frequently Used The Phrase “Book ’Em, Danno”?

A. Steve McGarrett
B. Dan Tanna
C. Rick Hunter
D. Joe Mannix

Screenshot from Hawaii Five-O (1968-1980)Screenshot from Hawaii Five-O, CBS Productions (1968-1980)

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Answer: Steve McGarrett

Jack Lord’s Steve McGarrett led the fictional Hawaii state police unit on the original Hawaii Five-O. His command to “Book ’em, Danno” usually arrived after the investigation had exposed the episode’s culprit.

Photo of Jack Lord as Steve McGarrett from the television program Hawaii Five-O. This is the premiere episode of the show's ninth year, and the storyline is that McGarrett was pulled from the water in Hong Kong, suffering from amnesia and unable to recallCBS Television, Wikimedia Commons

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20. On The X-Files, Which Skill Did Dana Scully Most Often Use To Help Solve Cases?

A. Computer Hacking
B. Medical Expertise
C. Linguistics
D. Ballistics

Screenshot from The X-Files (1993–2018)Screenshot from The X-Files, Fox Broadcasting Company (1993–2018)

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Answer: Medical Expertise

Before joining the FBI's X-Files unit, Dana Scully earned a medical degree and trained as a physician. Throughout the series, she frequently relied on her medical knowledge and forensic expertise to analyze evidence and help solve unusual cases.

Screenshot from The X-Files (1993–2018)Screenshot from The X-Files, Fox Broadcasting Company (1993–2018)

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You May Also Like:

The Best TV Detectives Ranked—What Do You Think?

The Surprising Way The Rockford Files Revived James Garner's Career

Why Mannix Star Mike Connors Became One Of Television’s Most Durable Leading Men

Sources:  1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14


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July 28, 2026 Sasha Wren

The Hardest TV Detectives Quiz Ever—How Many Can You Get Right?

Test your knowledge of television's greatest sleuths with this challenging TV detectives quiz featuring Columbo, Magnum P.I., Law & Order: SVU, Miami Vice, The X-Files, Monk, and more.


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