Hardcastle and McCormick

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.

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.

A former DEA agent forced into early retirement runs a gift shop in in the Philippines. Despite his best efforts to begin a tranquil new life, he’s pulled back into a world of dangerous people and deadly situations, either through his friends in the local police department or running into people from his old life. And the problem is: he likes it.

Danger Man is a British television series which was broadcast between 1960 and 1962, and again between 1964 and 1968. The series featured Patrick McGoohan as secret agent John Drake. Ralph Smart created the programme and wrote many of the scripts. Danger Man was financed by Lew Grade's ITC Entertainment.