Gilligan
Skipper Jonas Grumby
Thurston Howell III
Lovey Wentworth Howell
Ginger Grant
Prof. Roy Hinkley Jr.
Mary Ann Summers
Thurston Howell IV
J.J. Pierson
Dr. Olga Schmetner
Dewey Stevens
George (the robot)
The Howells' secretary
Hotel clerk
Sportscaster #1
Sportscaster #2
The referee
Linda
Jackie
Harlem Globetrotter