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.
The 400 Blows
1959 | 1h 39m | RATING: 8.0/10
The Cousins
1959 | 1h 52m | RATING: 6.8/10
Jour de Fête
1949 | 1h 26m | RATING: 7.1/10
The Magnificent Tramp
1959 | 1h 19m | RATING: 7.0/10
The Old Guard
1960 | 1h 25m | RATING: 6.3/10