A young physician becomes lonely when his workaholic wife ignores him to concentrate on her professional career. He is befriended by an older female artist who is fond of hallucinogenic mushrooms. When his wife is late for their anniversary celebration, he drinks and takes mushrooms with the artist. He wakes up to find she has died and is fearful he may have accidentally killed her.
Unfortunately the movie The Killer Strikes at Dawn is not yet available on HBO Max.
| Directing | Marc Simenon | Director |
| Writing | Alphonse Boudard | Screenplay |
| Writing | Alphonse Boudard | Adaptation |
| Writing | Alphonse Boudard | Dialogue |
| Writing | Marc Simenon | Screenplay |
| Writing | Marc Simenon | Adaptation |
| Sound | Yves Favier | Music |
| Sound | Les Zoo | Music |
