Half a Sinner
- Curs: 1940
- País: United States of America
- Gènere: Mystery, Adventure, Comedy
- Estudi: Arcadia Pictures Corp., Universal Pictures
- Paraula clau: gangster, stool pigeon
- Director: Al Christie
- Repartiment: Heather Angel, John 'Dusty' King, Constance Collier, Tom Dugan, Robert Elliott, Clem Bevans