Cast
- Rin Tin Tin as Rin Tin Tin
- John Harron as John Martin
- June Marlowe as Mrs. John Martin
- Gayne Whitman as Miguel Hernández
- Heinie Conklin as Tony
- Don Alvarado as Pedro
- Mary Louise Miller as The Martin Baby
- Pete as Hawkin's Dog
Crew
- Herman C. Raymaker · Director
- Ewart Adamson · Writer
- Paul Klein · Writer
- Edward J. Meagher · Writer
- Edwin B. DuPar · Cinematographer
- Clarence Kolster · Editor