- HD 1080
- Runtime: 78m.
- Status: Released
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- Languages: en
- Country: United States of America
- Director: Walter Doniger
- Stars: Louis Hayward, Joanne Dru, Paul Kelly, Maureen O'Sullivan, George Macready
- keywords: prison, san quentin
- Production_studio: Warner Bros. Pictures
- Slogan: New! True! Sensational!
- The Duffy of San Quentin is featured in the top rankings of 1954
- #72 in Top Drama Movies of 1954
- #26 in Top Crime Movies of 1954
San Quentin's new warden crusades for reform and for a framed inmate who loves a nurse.