Jason King (TV series) as part of a team of investigators. In "Jason King" he had left that service to concentrate on writing the adventures of Mark Caine, who closely resembled Jason King in looks, manner, style, and personality. None of the other regular characters from "Department S" appeared in this series, although Department S itself is occasionally referred to in dialogue. In the course of visiting international locations as part of his research, or through being summoned by people needing assistance, King would be frequently embroiled in adventure stories featuring glamorous women, exotic locations (for the era), menacing villains, political turmoil, or espionage
Jason King (TV series) inspirations (especially his clothes) for Kim Newman's psychic crime fighter and secret agent Richard Jeperson. Wyngarde is said to have been the inspiration for the character of Fireball in the strip of the same name in D.C. Thompson's "Bullet" comic. "The Two Ronnies" performed a sketch entitled 'Jason King', with Ronnie Corbett putting on all the airs and graces of King and Ronnie Barker playing a suspect in a murder investigation, during their third series in 1973. Jason King was also the basis for Jason Bentley, played by Peter Richardson in the "Comic Strip Presents" episode "Detectives on the Edge