The wife and mistress of a cruel school master collaborate in a carefully planned and executed scheme to murder him. The plan goes well until the body, which has been strategically dumped, disappears. The psychological strain starts to weigh on the two women when a retired police investigator begins looking into the man's disappearance on a whim.
Unfortunately the movie Diabolique is not yet available on Disney Plus.
| Writing | Thomas Narcejac | Novel |
| Sound | Randy Edelman | Original Music Composer |
| Writing | Pierre Boileau | Novel |
| Camera | Peter James | Director of Photography |
| Editing | Carol Littleton | Editor |
| Production | James G. Robinson | Producer |
| Writing | Don Roos | Screenplay |
| Directing | Jeremiah S. Chechik | Director |
| Production | Kirsten W. Welles | Associate Producer |
| Writing | Henri-Georges Clouzot | Original Film Writer |
| Production | Jackie Burch | Casting |
| Art | Dennis Bradford | Art Direction |
| Art | Leslie Dilley | Production Design |
| Production | Gary Daigler | Co-Producer |
| Production | Gary Barber | Executive Producer |
| Production | Chuck Binder | Executive Producer |
| Production | Marvin Worth | Producer |
| Art | Michael Seirton | Set Decoration |
| Costume & Make-Up | L'Wren Scott | Costume Design |
| Production | Bill Todman Jr. | Executive Producer |
| Production | Jerry Offsay | Executive Producer |
| Costume & Make-Up | Michael Kaplan | Costume Design |
| Crew | Donna Evans | Stunts |
