Dr. Heckyl and Mr. Hype

Dr. Heckyl and Mr. Hype is a 1980 film directed by Charles B. Griffith, starring Oliver Reed and Sunny Johnson.

Griffith says the films title was one of five joke titles he originally came up with to show Francis Ford Coppola. He then showed them to Menahem Golan, who was talking to Griffith about writing The Happy Hooker Goes to Washington. After that fell through, Golan asked if Griffith had any other ideas. Griffith pitched him Dr Feelgood and Mr Hype, a black comedy about a hippie who invents a new drug that turns everyone into advertising executives. Golan agreed, but insisted that the ugly guy is the good guy.Griffith says he had only three weeks to write and prepare the film, four weeks to shoot and two weeks to edit. He was paid 25,000 to write and 25,000 to direct. Griffith originally wanted Dick Van Dyke to play the lead, but since Van Dyke was touring in a play at the time and was unavailable, Golan hired Oliver Reed. Griffith said, I had to redo the entire picture in my head when he was cast, because it was a zany slapstick comedy and I got Oliver Reed with that face and that voice So I made it more lyrical. ........

Source: Wikipedia