Robert Lowery
— Joe
Phyllis Brooks
— Nita
Charles Arnt
— Daniel
Jack La Rue
— Mike
John Eldredge
— Vaughn
Victor Kilian
— Buck Harris - 1st Mate
Alec Craig
— Dawson - Steward
William Edmunds
— Capt. Saul
Kit Guard
— Scene deleted
Will Wright
— Postal Clerk (uncredited)
Al Hill
— Crewman (uncredited)
Anton Northpole
— Scene deleted
Jack Tornek
— Scene deleted