Jim Berkley
Ralph Manning
Eva McFarland
Elaine Palmer
Linda Morley
Stephen Palmer
Robert Grant
Pat McFarland
Roger
Captain Madison
Sandy Summers (Cruise Director)
Doctor Adam Bricker
Isaac (Bartender)
Gopher (Purser)
Amy Mitchell (as Candy Azzara)
Donna Morley
Angela
Dr. Livingston
Girl (as Dana House)
Crew Member (uncredited)
Chef (uncredited)
Boat Passenger (uncredited)