Cary Grant
Walter Christopher Eckland
Leslie Caron
Catherine Freneau
Trevor Howard
Commander Frank Houghton
Jack Good
Lieutenant Stebbings
Stephanie Berrington
Elizabeth Anderson
Jennifer Berrington
Harriet MacGregor
Laurelle Felsette
Angelique
Alex Finlayson
Doctor Bigrave
Frank Marocco
Accordionist
John Napier
Lt. Cartwright
Simon Scott
Captain of Submarine, USS Sailfin
Ken Swofford
Helmsman, Submarine USS Sailfin