John Payne
— Charles S. Chinnough
Gail Russell
— Kim Mitchell
Jeffrey Lynn
— Capt. George Brendensen
Lon Chaney Jr.
— Red Lynch
Edgar Bergen
— Mr. Haasvelt
Michael O'Shea
— Trask
Ellen Corby
— Miss Endicott
Robert Armstrong
— Keegan
John Qualen
— Geech
Ilka Grüning
— Mrs. Marguerite Haasvelt
Denver Pyle
— Steve
Keith Richards
— Alberts
Erville Alderson
— Doctor
Harry Hayden
— Shipping Line Owner
John Bagni
— Sparks
Ray Hyke
— Michaels
Walter Reed
— Martin
Paul Hogan
— Speer
Lawrence Tibbett Jr.
— Wilkes
Zon Murray
— Gus (as Zonn Murray)
Don Gazzaniga
— Tony
Wallace Scott
— Scotty (as Wally Scott)
Lee Roberts
— Marsh
Reed Howes
— Blake
Charles Regan
— Wade (as Charlie Regan)
Art Foster
— Mate on Rescue Ship (uncredited)