Cast & crew
Blackmail (1939)
Directed by H. C. Potter Written by David Hertz, William Ludwig, Endre Bohem, Dorothy Yost
Cast
| James C. Morton | Policeman |
| Ivan Miller | Webber |
| Joe Dominguez | (uncredited) |
| Robert Homans | (uncredited) |
| Harry Strang | Policeman |
| Charles Middleton | (uncredited) |
| Trevor Bardette | (uncredited) |
| George Cooper | (uncredited) |
| Guinn 'Big Boy' Williams | Moose |
| Gene Lockhart | Ramey Holvak |
| Ruth Hussey | Ingram |
| Joe Whitehead | (uncredited) |
| Jack Daley | Policeman |
| Harry Fleischmann | (uncredited) |
| Cy Kendall | (uncredited) |
| Esther Dale | Sarah |
| Hal K. Dawson | (uncredited) |
| Frank Darien | Watchman |
| Arthur Hohl | Rawlins |
| John Wray | Morse Diggs |
| Bobs Watson | Ingram |
| Bob Reeves | (uncredited) |
| Leo White | (uncredited) |
| Willie Best | (uncredited) |
| Philip Morris | State Trooper |
| Harry Tenbrook | Station |
| Ethan Laidlaw | (uncredited) |
| Ed Montoya | (uncredited) |
| Gil Perkins | Kearney |
| Wade Boteler | (uncredited) |
| Everett Brown | (uncredited) |
| Eddy Chandler | (uncredited) |
| Joseph Crehan | (uncredited) |
| Art Miles | (uncredited) |
| Cyril Ring | Butler |
| Ed Brady | Tracy |
| Stanley Blystone | (uncredited) |
| Victor Kilian | Warden |
| Robert Middlemass | (uncredited) |
| Edward G. Robinson | Ingram |
Crew
| Clyde De Vinna | Director of Photography |
| Edwin B. Willis | Set Decoration |
| Cedric Gibbons | Art Direction |
| David Hertz | Screenplay |
| William Ludwig | Screenplay |
| H. C. Potter | Director |
| John W. Considine Jr. | Producer |
| Endre Bohem | Story |
| Edward Ward | Music |
| David Snell | Music |
| Dorothy Yost | Story |
| Howard O'Neill | Editor |