Guy Decomble (1910–1964) was a French film and television actor. A character actor he played in a number of supporting parts in postwar cinema. One of his better known roles is as the teacher in The 400 Blows by François Truffaut.
French Teacher
Pageot
Police Commissary Ledru
Mazet
Coach driver
Roger
Le libraire
Ll'inspecteur Leroy
Typesetter (uncredited)
Le chef de station de la R.A.T.P.
Robert (uncredited)
Aspirant
l'inspecteur Lognon
Lucien
le maquereau
Emile Kortenwirth
Jacques 'le Dingue'
Knife-grinder
Le pasteur (uncredited)
Guest released from prison
Jean
The obsessed killer
Richard
Poulain
Warfield
Mr. Léon
Le concierge
Un inspecteur
Un joueur
(non crédité)
Inspector Mercier
un échevin
Jean Pétrat
Denisot
Émile
Me Frouas
Operator
Gustave, alcoolique, gardien de l'école communale
Hurau
Le père Mascle
(uncredited)
(voice)
Pascaud
Justin
Rothlisberger
Bénoni
Sir Basile
Lofting
Jossip