Gilligan's Island trivia
John Williams wrote the original Pilot show theme song.
The Ballad of Gilligan's Island was written by Sherwood Schwartz and the first season version was recorded by The Wellingtons.
Gilligan - Jerry Van Dyke was offered the role, but it went to Bob Denver after Van Dyke turned it down!
Professor - Soap Opera star, John Gabriel had the original roll, but he didn't score well with audience. Dabney Coleman & Russel Johnson were in the running, and Johnson scored the role.
Mary Ann - Dawn Wells, Rachael Welch and Pat Priest (Munsters) were all up for the role. Dawn got the job.
Skipper - Played by Alan Hale Jr. His mother was a silent film star, Gretchen Hartman. Hartman is credited with 67 movies...
Thurston Howell III - Played by Jim Backus, who also did the voice of Mr Magoo.