The Lone Defender
- Bliadhna: 1930
- Dùthaich: United States of America
- Seòrsa: Action
- Stiùidio: Mascot Pictures
- Faclan-luirg: german shepherd, movie serial, dog hero
- Stiùiriche: Richard Thorpe
- Cast: Rin-Tin-Tin, Walter Miller, June Marlowe, Josef Swickard, Buzz Barton, Lee Shumway
