Though Eddie's fired right at Christmastime, his boss sends him and his family on a South Pacific vacation, hoping Eddie won't sue him after being bitten by a lab monkey. When the Tuttle family winds up trapped on a tropical island, however, Eddie manages to provide for everyone and prove himself a real man.
Randy Quaid
as Eddie Johnson
Miriam Flynn
as Catherine Johnson
Dana Barron
as Audrey Griswold
Jake Thomas
as Third Johnson
Sung-Hi Lee
as Muka Laka Miki
Julian Stone
as Melbourne Jack
Beverly Garland
as Aunt Jessica
Stephen Furst
as Hospital Doctor
Rodger Bumpass
as Lab Visitor / Plumber (voice) / Air Controller (voice)
Eric Idle
as English Victim
Fred Willard
as Professor Doornitz
Ed Asner
as Uncle Nick
