In terms of his practical functionality, Professor Roy Hinkley (Russell Johnson) was the single most important character on "Gilligan's Island." He was the one who, with his extensive scientific ...

The seven characters are listed: Gilligan (Bob Denver), the Skipper (Alan Hale Jr.), the Millionaire (Jim Backus) and His Wife (Natalie Schafer), the Movie Star (Tina Louise), the Professor ...