
Writing
Marcel Achard (5 July 1899 – 4 September 1974) was a French playwright and screenwriter whose popular sentimental comedies maintained his position as a highly recognizable name in his country's theatrical and literary circles for five decades. He was elected to the Académie française in 1959. Description above from the Wikipedia article Marcel Achard, licensed under CC-BY-SA, full list of contributors on Wikipedia.

A Night at the Opera

Les Trésors de Marcel Pagnol
as Self (archive footage)

Cherchez l'idole
as Self, guest at Sylvie Vartan's show (uncredited)

Hard Boiled Ones
as Self (uncredited)

Venom and Eternity
as Self

Love, Madame
as Self (uncredited)

The Miracle of St. Anne
as Un estropié

Entr'acte
as A man following the hearse (uncredited)