/Film
Why Russell Johnson Replaced John Gabriel As The Professor On Gilligan's Island - SlashFilm
...little bit. Gilligan (Bob Denver), the Skipper (Alan Hale), and the Howells (Jim Backus and Natalie Schafer) were present, but the Professor (Russell Johnson), Ginger (Tina Louise), and Mary Ann (Dawn Wells) hadn't been invented yet.
18 hours ago