Dr. Knock
Dr. Knock original title Knock is a French comedy film from 1951, directed by Guy Lefranc, written by Georges Neveux, and starring by Louis Jouvet. It also features an uncredited appearance by Louis de Funs. The movie is based on the 1923 theatre play Knock ou le Triomphe de la mdecine Knock or The Triumph of Medicine by Jules Romain.
Source: Wikipedia
