Discover
John Wayne
Duke Slade
Diana Gibson
Janet Drew
Montagu Love
Capt. Abner Drew
Moroni Olsen
First Mate Rand Husk
Maurice Black
Blackie
Paul White
Kalo
George Cleveland
Tom
P.J. Kelly
Matt
Cameron Hall
Slivers
James T. Mack
Hooten
Britt Wood
Hardy
William Sundholm
Chips
Ben Carter
Stantul, Black Sailor
Wally Howe
Kierce
Jimmie Lucas
Flench, Black Cabin Boy
Glenn Strange
Barzeck
Lynton Brent
Sailor (uncredited)
Victor Potel
Tall Sailor (uncredited)
Camera
Gus Peterson
Director of Photography
Crew
John P. Fulton
Special Effects
Directing
Arthur Lubin
Director
Writing
Ben Ames Williams
Story
Ben Grauman Kohn
Screenplay
Scott Darling
Screenplay
Sidney Sutherland
Screenplay