The Mushroom (1970 film)

The Mushroom (Le champignon, L'assassino colpisce all'alba, also known as The Murderer Strikes at Dawn, The Killer Strikes at Dawn and L’assassin frappe à l’aube) is a 1970 French-Italian crime film written and directed by Marc Simenon.

Plot
A physician, growing distant from his workaholic wife, befriends an artist. After a night spent drinking and taking hallucinogenic mushroom with the artist, the physician discovers that his wife had died, and begins to question what took place.

Cast

 * Mylène Demongeot as Anne Calder
 * Alida Valli as Linda Benson
 * Jean-Claude Bouillon as Éric Calder
 * Catherine Allégret as Jeannette
 * Philippe Monnet as Gaëtan
 * Jean Claudio as Kogan
 * Georges Géret as Kurt
 * François Simon as Le Juge