Richard Diamond, Private Detective

Jake and the Fatman is a television crime drama starring William Conrad as prosecutor J. L. "Fatman" McCabe and Joe Penny as investigator Jake Styles. The series ran on CBS for five seasons from 1987 to 1992. Diagnosis: Murder was a spin-off of this series.

Peter Gunn is an American private eye television series. Filmed in a film noir atmosphere and featuring Henry Mancini music that could tell you the action with your eyes closed, Peter Gunn worked in style. Known as Pete to his friends and simply as Gunn to his enemies, he did his job in a calm cool way.

Stu Bailey and Jeff Spencer are the wisecracking, womanizing private-detective heroes of this Warner Brothers drama. They work out of an office located at 77 Sunset Strip in Los Angeles, California, right next door to a snazzy restaurant where Kookie works as a valet. The finger-snapping, slang-talking Kookie occasionally helps Stu and Jeff with their cases, and eventually becomes a full-fledged member of the detective agency. Rex Randolph and J.R. Hale also join the firm, and Suzanne is their leggy secretary.

Barnaby Jones is a television detective series starring Buddy Ebsen and Lee Meriwether as father- and daughter-in-law who run a private detective firm in Los Angeles. The show ran on CBS from January 28, 1973 to April 3, 1980, beginning as a midseason replacement. William Conrad guest starred as Frank Cannon of Cannon on the first episode of Barnaby Jones, "Requiem for a Son" and the two series had a two-part crossover episode in 1975, "The Deadly Conspiracy".

The hard-boiled saga of hair-trigger cop Lieutenant Mike Torello and his obsessive pursuit of ruthless gangster Ray Luca.

Mannix is an American television detective series that ran from 1967 through 1975 on CBS. Created by Richard Levinson and William Link and developed by executive producer Bruce Geller, the title character, Joe Mannix, is a private investigator. He is played by Mike Connors. Mannix was the last series produced by Desilu Productions.

Bosch is now making a living as a private investigator two years after he quit the LAPD and finds himself working with one time enemy and top-notch attorney Honey “Money” Chandler. Meanwhile, Bosch's daughter Maddie is venturing into the world of the LAPD.

A relentless LAPD cop becomes obsessed with taking down the master thief behind a string of daring heists — and only one can come out on top.

Private detective Dan Tanna drives around the streets of Las Vegas in a red 1957 Ford Thunderbird solving crimes and making Las Vegas a better place for residents and tourists alike.

The cases of a private investigations agency run by two Vietnam War veterans and their computer geek friend from high school, armed with toughness, their own helicopter, and the third's technical ability.

Jack Irish is a man getting his life back together again. A former criminal lawyer whose world imploded, he now spends his days as a part-time investigator, debt collector, apprentice cabinet maker, punter and sometime lover – the complete man really. An expert in finding those who don’t want to be found – dead or alive, Jack helps out his mates while avoiding the past. That is until the past finds him.

The Sentinel is a Canadian-produced television series. In the jungles of peru, the fight for survival heightened his senses. Now, Detective Jim Ellison is a sentinel in the fight for justice. Anthropologist Blair Sandburg works side by side with Jim, helping him develop these senses.

Cordell Walker, a widower and father of two with his own moral code, returns home to Austin after being undercover for two years, only to discover there's harder work to be done at home.

Private detective Mike Hammer hunts down criminals on the mean streets of New York City.

Hardcastle and McCormick is an American action/drama television series from Stephen J. Cannell Productions, shown on ABC from 1983 through 1986. The series stars Brian Keith as Judge Milton C. Hardcastle and Daniel Hugh Kelly as ex-con and race car driver Mark "Skid" McCormick. The series premise was somewhat recycled from a previous Cannell series, Tenspeed and Brown Shoe.

Scarecrow and Mrs. King is an American television series that aired from October 3, 1983, to May 28, 1987 on CBS. The show stars Kate Jackson and Bruce Boxleitner as divorced housewife Amanda King and top-level "Agency" operative Lee Stetson who begin a strange association, and eventual romance, after encountering one another in a train station.

Baretta is an American detective television series which ran on ABC from 1975 to 1978. The show was a milder version of a successful 1973–74 ABC series, Toma, starring Tony Musante as chameleon-like, real-life New Jersey police officer David Toma. While popular, Toma received intense criticism at the time for its realistic and frequent depiction of police and criminal violence. When Musante left the series after a single season, the concept was retooled as Baretta, with Robert Blake in the title role.

Matt Houston is an American crime drama series that aired on ABC from 1982 to 1985. Created by Lawrence Gordon, the series was produced by Aaron Spelling.

Silk Stalkings is a crime drama television series. The series portrays the daily lives of two detectives who solve sexually-based crimes of passion among the ultra-rich of Palm Beach, Florida.

From England to Egypt, accompanied by his elegant and trustworthy sidekicks, the intelligent yet eccentrically-refined Belgian detective Hercule Poirot pits his wits against a collection of first class deceptions.

Cannon is a CBS detective television series produced by Quinn Martin which aired from March 26, 1971 to March 3, 1976. The primary protagonist is the title character, private detective Frank Cannon, played by William Conrad. He also appeared on two episodes of Barnaby Jones. Cannon is the first Quinn Martin-produced series to be aired on a network other than ABC. A "revival" television film, The Return of Frank Cannon, was aired on November 1, 1980. In total, there were 124 episodes.

Haunted is an American television program first aired in September 2002 on UPN. The program, which was filmed in Vancouver, was canceled in November 2002 due to low ratings. As a result, only seven of the completed episodes were aired. However, all eleven filmed episodes have subsequently been shown in international airings of the show. In August 2007, the series aired on HDNet. The series then began airing on Sci Fi in September 2007 and January 2008. In 2009, Chiller began airing this program as part of their daily marathon line-up. It plays there sporadically. A marathon of the entire series ran all day on October 31, 2010 on Universal HD.

Blood Ties is a Canadian television series based on the Blood Books by Tanya Huff; the show was created by Peter Mohan. It is set in Toronto, Canada and has a similar premise to an earlier series also set in Toronto, Forever Knight, in which a vampire assists police in dealing with crime. It premiered in the United States on March 11, 2007 on Lifetime Television, and during fall of 2007 on Citytv and Space in Canada. In May 2008, Lifetime declined to renew the series.

Moon Over Miami is a short-lived American comedy series that aired on ABC.

Strong and successful Alice Martin is a fraud investigator who's about to be the victim of fraud by her fiancé. Between her cases, she is determined to find him before it ruins her career.

The cases of a private investigations agency run by two Vietnam War veterans and their computer geek friend from high school, armed with toughness, their own helicopter, and the third's technical ability.

Jake and the Fatman is a television crime drama starring William Conrad as prosecutor J. L. "Fatman" McCabe and Joe Penny as investigator Jake Styles. The series ran on CBS for five seasons from 1987 to 1992. Diagnosis: Murder was a spin-off of this series.

Steven Rambam is a private investigator who has pursued suspects all over the world. He has conducted or coordinated foreign insurance-related probes, including those of hundreds of deaths, and a significant number have resulted in confessions, arrests and prosecutions. In "Nowhere to Hide," Rambam recounts the most dramatic cases from his extensive file -- just when criminals think they have it made, the world-renowned PI finds them and brings them to justice. Each hourlong story interweaves exclusive undercover surveillance clips with the exotic adventures, before concluding with the captures.

A Chicago-based wizard works as a private investigator.

Jazz pianist Johnny Staccato supplements his meager musician's income by working as a private detective. The background for many of the episodes is his friend "Waldo's" jazz club in New York City's Greenwich Village, featuring performances by the Pete Candoli jazz combo which included Barney Kessel, Shelly Manne, Red Mitchell, Red Norvo and Johnny Williams. The theme was composed by Elmer Bernstein.

Everyone deserves a second chance—even a thief, a street racer and a cop who got in a little too deep. After all, the three women who solve cases for their elusive boss, Charlie Townsend, are no saints. They're angels... Charlie's Angels.

Former detective Tatsuhiko Kinosaki forms a private team to search for missing persons overlooked by the police, while secretly seeking to uncover the truth behind the disappearance of his wife.

Mick St. John is a captivating, charming and immortal private investigator from Los Angeles, who defies the traditional blood-sucking norms of his vampire tendencies by using his wit and powerful supernatural abilities to help the living.

A pie-maker, with the power to bring dead people back to life, solves murder mysteries with his alive-again childhood sweetheart, a cynical private investigator, and a lovesick waitress.

When their ex-husband Raymond winds up murdered, Carole and Sydney set out to find his killer and eventually decide to run the detective agency Raymond has left them.

A reclusive ex-cop reenters the game as an insurance investigator, searching for clues in crime scenes perfectly staged by a serial killer in her midst.

Jake Doyle and his ex-cop father, Malachy, run a Newfoundland detective agency. Their rugged seaside town never lacks for intriguing cases, and the Doyles don't always land on the right side of the law.

A.J. Simon is a polished fellow with a taste for classic cars and tailored suits. Rick Simon is his less refined (but still pleasant) older brother who has a taste for cowboy boots and four-wheel drive pickups. The two of them live in San Diego, where they own a private detective agency.