| Cast list | | Wallace Beery | as | Sgt. Dory | | Barbara Stanwyck | as | Raphaelita Maderos | | John Boles | as | Lt. Andrew Rowan | | Alan Hale | as | Dr. Ivan Krug | | Herbert Mundin | as | Henry Piper | | Mona Barrie | as | Spanish Spy | | Enrique Acosta | as | Gen. García | | Juan Torena | as | Luís Maderos | | Martin Garralaga | as | Rodríguez | | José Luis Tortosa | as | Pasquale Castova | | Lucio Villegas | as | Commandant | | Frederick Vogeding | as | German Stoker | | Pat Moriarity | as | Irish Stoker | | Octavio Giraud | as | Spanish Commandant | | Blanca Vischer | as | Chiquita |
| | Crew list: | | George Marshall (Director) | | Gene Fowler (Writer) | | Sam Hellman (Writer) |
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