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)
Harry Hayden
Ship Line Owner (uncredited)