Crusher McKay
Victor McLaglen
Doctor Craig
Chester Morris
Olaf
Emory Parnell
Silvio
Adia Kuznetzoff
Kovac
John Bleifer
Stoker (uncredited)
Ted Billings
Junior officer (uncredited)
Eddie Bracken
Ship Steward (uncredited)
Tyler Brooke
Ship's Officer (uncredited)
Donald Douglas
Fat Passenger (uncredited)
Grace Hayle
San Francisco Port Doctor (uncredited)
Selmer Jackson
Miss Smith - Dancing with Crusher (uncredited)
Florence Lake
Ann Grayson
Wendy Barrie
Engineering Officer Dearborn (uncredited)
Arthur Loft
Walter Miller
Crew Member (uncredited)
Frank Mills
Chinese Stowaway (uncredited)
Miki Morita
Navigator (uncredited)
Jack O'Shea
Engineering Officer Bates (uncredited)
Douglas Walton
Anthony Warde
Professor - Black Stoker (uncredited)
Ernest Whitman
Gallagher
Alan Hale
Britches
Barry Fitzgerald
Bilson
Allan Lane
Captain Mathews
Halliwell Hobbes
Deadeyes
Cy Kendall
Wishart
Paul Guilfoyle
Metcalfe
John Wray
Director of Photography
Nicholas Musuraca
Assistant Art Director
Albert S. D'Agostino
Screenplay
John Twist
Special Effects
Vernon L. Walker
Director
Lew Landers
Art Direction
Van Nest Polglase
Producer
Robert Sisk
Editor
Harry Marker
Set Decoration
Darrell Silvera
Costume Design
Edward Stevenson
Production Executive
Lee S. Marcus
Assistant Director
Sam Ruman
Sound Recordist
John E. Tribby
Music Director
Robert Russell Bennett
Story
Anthony Coldeway
Henry Roberts Symonds
Original Music Composer