The Castaways on Gilligan's Island is a 1979 made-for-television comedy film that continues the adventures of the shipwrecked castaways from the 1964–1967 sitcom Gilligan's Island and the first reunion movie, Rescue from Gilligan's Island, featuring the original cast from the television series with the exception of Tina Louise, who was replaced in the role of Ginger Grant by Judith Baldwin. Wikipedia