Mystery novelist Janet Frobisher, lives in an isolated house, having been separated for years from her criminal husband. She has fallen in love with her secretary's fiancé and when her estranged husband unexpectedly returns, Janet poisons him, but just as she's about to dispose of the body, one of her husband's criminal cohorts also shows up.
Unfortunately the movie Another Man's Poison is not yet available on HBO Max.
| Writing | Val Guest | Writer |
| Directing | Irving Rapper | Director |
| Costume & Make-Up | Julie Harris | Costume Design |
| Sound | Daniel M. Angel | Original Music Composer |
| Sound | H.C. Pearson | Sound |
| Production | Daniel M. Angel | Producer |
| Camera | Robert Krasker | Director of Photography |
| Directing | George Fowler | Assistant Director |
| Editing | Gordon Hales | Editor |
| Sound | Paul Sawtell | Original Music Composer |
| Art | Cedric Dawe | Art Direction |
| Costume & Make-Up | Cedric Dawe | Costume Design |
| Production | Henry Rackin | Casting |
| Production | Adrian D. Worker | Production Manager |
