Cast & crew
Ruthless (1948)
Directed by Edgar G. Ulmer Written by Gordon Kahn, S.K. Lauren, Alvah Bessie
Cast
| Zachary Scott | Horace Woodruff 'Woody' Vendig |
| Diana Lynn | Martha Burnside / Mallory Flagg |
| Louis Hayward | Vic Lambdin |
| Martha Vickers | Susan Duane |
| Dennis Hoey | Mr. Burnside |
| Edith Barrett | Mrs. Burnside |
| Sydney Greenstreet | Buck Mansfield |
| Lucille Bremer | Christa Mansfield |
| Raymond Burr | Pete Vendig |
| Joyce Arling | Kate Vendig |
| Charles Evans | Bruce Endicott McDonald |
| Robert J. Anderson | Horace Vendig as a Child |
| Arthur Stone | Vic Lambdin as a Child |
| Ann Carter | Martha Burnside as a Child |
| Harry Cheshire | Lawyer Nevin (Uncredited) |
| Claire Carleton | Bella |
| Edna Holland | Libby Sims |
| Frederick Worlock | J. Norton Sims |
| John Good | Bradford Duane |
| Jesse Graves | Phillips, Mansfield's Servant (Uncredited) |
| Douglas Evans | George (uncredited) |
| Sam Harris | Man in Office (uncredited) |
| George McDonald | Freddie Atwood (Uncredited) |
| Bert Moorhouse | Prescott (uncredited) |
| Dick Ryan | Servant (uncredited) |
| Larry Steers | Political Dinner Dais Attendee (Uncredited) |
| Fred Nurney | Mrs. Vendig's Lover (Uncredited) |
Crew
| Bert Glennon | Director of Photography |
| Werner Janssen | Original Music Composer |
| Edgar G. Ulmer | Director |
| Gordon Kahn | Screenplay |
| S.K. Lauren | Screenplay |
| Arthur S. Lyons | Producer |
| Francis D. Lyon | Editor |
| Max M. Hutchinson | Sound Director |
| Alvah Bessie | Screenplay |
| Dayton Stoddart | Novel |
| C.O. Morris | Grip |
| Paul Dessau | Music Supervisor |
| Joseph Justman | Associate Producer |
| Morrison B. Paul | Still Photographer |
| Robert Littlefield | Makeup Artist |
| Frank Paul Sylos | Art Direction |
| Shirley Ulmer | Script Supervisor |
| Don Loper | Costume Design |
| Marty Moss | Assistant Director |
| Wilbur Bradley | Camera Operator |
| Helen Lierly | Hairstylist |
| Barbara Canterbury | Casting |
| William Simpson | Special Effects |
| Edward R. Robinson | Set Dresser |
| Werner Janssen | Conductor |