Calificación
Reparto

John Loder
Don Rainsford

Audrey Long
Ellen Trowbridge

Edgar Barrier
Erich Kreiger

Russell Wade
Robert Trowbridge

Russell Hicks
Mr. Whitney

Jason Robards Sr.
Captain

Gene Roth
Pleshke

Noble Johnson
Carib

Robert Clarke
Helmsman

James Dime
Bulgar

Edmund Glover
Quartermaster

Jimmy Jordan
Steward

Victor Romito
Mongol

Larry Wheat
(uncredited)

Bruce Edwards
Collins