In "The Three Investigators and The Secret of Skeleton Island" the cult detective trio from Rocky Beach, California, fall into a breath-taking mixture of adventure, thriller and mystery. Only by a hairs-breadth did they escape with their lives after the successful completion of their last case.
as Jupiter Jones
as Pete Crenshaw
as Bob Andrews
as Al Crenshaw
as Gamba
as Chris
as Miss Wilbur
as Tom Farraday
as Bill/Victor Hugenay
as Justus Jonas (voice)
as Peter Shaw (voice)
as Bob Andrews (voice)
as Man at Junkyard
as Man in Hotel
as Auction Assistant