Monique is dying of cancer, lying in bed in the apartment above the store her family owns. Her philandering husband carries on with life, her son remains aloof, and her daughter-in-law wonders if she is witnessing her own decline. They all struggle to express, or feel, their love for one another.
You can now watch The Mouth Agape online on the following streaming providers in the United States.
| Writing | Maurice Pialat | Writer |
| Directing | Maurice Pialat | Director |
| Editing | Bernard Dubois | Editor |
| Production | André Génovès | Producer |
| Camera | Néstor Almendros | Director of Photography |
| Art | Michel de Broin | Production Design |
| Directing | Bernard Grenet | Assistant Director |
| Editing | Arlette Langmann | Editor |
| Directing | Bernard Dubois | Assistant Director |
| Production | Micheline Pialat | Producer |
| Production | Micheline Pialat | Production Manager |
| Sound | Raymond Adam | Sound |
| Art | Jean-Claude Rivière | Assistant Director of Photography |
| Production | Maurice Pialat | Producer |
| Sound | Paul Bertault | Sound Mixer |
| Art | Jean-Noël Delamarre | Title Designer |
