Blackmail
- Curs: 1939
- País: United States of America
- Gènere: Crime, Drama, Thriller
- Estudi: Loew's Incorporated, Metro-Goldwyn-Mayer
- Paraula clau: gangster, chain gang
- Director: H. C. Potter
- Repartiment: Edward G. Robinson, Ruth Hussey, Gene Lockhart, Bobs Watson, Guinn "Big Boy" Williams, John Wray