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Half a Sinner
- Annu: 1940
- Paese: United States of America
- Genre: Mystery, Adventure, Comedy
- Studio: Arcadia Pictures Corp., Universal Pictures
- Parolla chjave: gangster, stool pigeon
- Direttore: Al Christie
- Cast: Heather Angel, John 'Dusty' King, Constance Collier, Tom Dugan, Robert Elliott, Clem Bevans