Mike Karr is a fictional character

Fictional character

A character is the representation of a person in a narrative work of art . Derived from the ancient Greek word kharaktêr , the earliest use in English, in this sense, dates from the Restoration, although it became widely used after its appearance in Tom Jones in 1749. From this, the sense of...

 on the long-running daytime

Daytime television

Daytime television is the general term for television shows produced that are intended to air during the daytime hours on weekdays. This article is about American daytime television, for information about international daytime television see Daytime television....

 soap opera

Soap opera

A soap opera, sometimes called "soap" for short, is an ongoing, episodic work of dramatic fiction presented in serial format on radio or as television programming. The name soap opera stems from the original dramatic serials broadcast on radio that had soap manufacturers, such as Procter & Gamble,...

, The Edge of Night

The Edge of Night

The Edge of Night is an American television mystery series/soap opera produced by Procter & Gamble. It debuted on CBS on April 2, 1956, and ran as a live broadcast on that network until November 28, 1975; the series then moved to ABC, where it aired from December 1, 1975, until December 28, 1984...

.

A tireless crime-fighter, Karr was introduced as a cop finishing law school. This character evolved from the earlier Perry Mason

Perry Mason (radio)

The radio criminal serial Perry Mason, based on the novels of Erle Stanley Gardner, was broadcast on CBS Radio from 1943-1955. The series was adapted into Edge of Night which ran on television for an additional 30 years.-Adapting Perry Mason to other media:...

 character on radio. He then progressed to the District Attorney's office as an ADA, hung his own shingle as a defense attorney for several years, then became DA of Monticello. Karr was played by three stellar actors: John Larkin

John Larkin (radio and television actor)

John Larkin was an American actor whose nearly-30-year career was capped by his 1950s portrayal of two fictional criminal attorneys — Perry Mason on radio and Mike Karr on television daytime drama The Edge of Night...

 (radio's Perry Mason

Perry Mason

Perry Mason is a fictional character, a defense attorney who was the main character in works of detective fiction authored by Erle Stanley Gardner. Perry Mason was featured in more than 80 novels and short stories, most of which had a plot involving his client's murder trial...

) from the show's debut in April 1956 to October 1961, Laurence Hugo from November 1961 to June 1 1971, then Forrest Compton

Forrest Compton

Forrest Compton is an American actor. He has appeared in many television series and films but is by far best known as attorney Mike Karr, the central character on the long-running soap opera The Edge of Night, on which he appeared from 1970 - 84...

 from June 2 1971 until the show ended on December 28, 1984.

Mike Karr was the only character on The Edge of Night

The Edge of Night

The Edge of Night is an American television mystery series/soap opera produced by Procter & Gamble. It debuted on CBS on April 2, 1956, and ran as a live broadcast on that network until November 28, 1975; the series then moved to ABC, where it aired from December 1, 1975, until December 28, 1984...

to last the entire run of the series. Mike appeared in both the premiere episode April 2, 1956, and the final telecast on December 28, 1984.