John Howard

Merrill Hammond

Helen Gilbert

Diana Bryce

Gilbert Roland

Dan Curtis

Alan Mowbray

Dr. Brown

Bradley Page

George Kent

Kitty O'Neil

Nurse Pauline

George Chandler

Ship's bartender

Ernie Adams

Captain of the S. S. Mariposa

Egon Brecher

Richard Heller

Dewey Robinson

Prisoner

Kenne Duncan

Henderson

Alex Havier

Sani

Richard Oswald