Warren Quimby manages a drugstore while trying to keep his volatile wife, Claire, happy. However, when Claire leaves him for a liquor store salesman, Warren can no longer bear it. He decides to assume a new identity in order to murder his wife's lover without leaving a trace. Along the way, his plans are complicated by an attractive neighbor, as well as a shocking discovery that opens up a new world of doubts and accusations.
| Writing | Allen Rivkin | Screenplay |
| Writing | John D. Klorer | Story |
| Editing | Albert Akst | Editor |
| Camera | Harry Stradling Sr. | Director of Photography |
| Sound | André Previn | Original Music Composer |
| Production | Robert Sisk | Producer |
| Directing | John Berry | Director |
| Production | Ruby Rosenberg | Production Manager |
| Art | Cedric Gibbons | Art Direction |
| Art | Leonid Vasian | Art Direction |
| Art | Edwin B. Willis | Set Decoration |
| Directing | George Rhein | Assistant Director |
| Sound | Douglas Shearer | Recording Supervision |
| Costume & Make-Up | Sydney Guilaroff | Hairstylist |
| Costume & Make-Up | Jack Dawn | Makeup Artist |
