Dr. Knock

Dr. Knock (original title Knock[1]) is a French comedy film from 1951, directed by Guy Lefranc, written by Georges Neveux, and starring Louis Jouvet. It also features an uncredited appearance by Louis de Funès. The movie is based on the 1923 theatre play Knock ou le Triomphe de la médecine (Knock or The Triumph of Medicine) by Jules Romains.

Dr. Knock
Directed byGuy Lefranc
Written byGeorges Neveux
Jules Romains
Produced byLéon Canel
StarringLouis Jouvet
Louis de Funès
Music byPaul Misraki
Distributed byLa Société des Films Sirius (1951) (France)
Martin Lewis (1955) (USA)
Release date
  • 21 March 1951 (1951-03-21) (France)
Running time
98 minutes

The film was remade in 2017 under the title Knock.


The ambitious Dr. Knock arrives in the country village Saint-Maurice to succeed Dr. Parpalaid, an honest man whose patients are rare. The health of the villagers is excellent. Realizing that he was duped by his predecessor, Dr. Knock sets about convincing everyone that a healthy person is someone who doesn't know how sick he is. As a result, the whole village takes to bed, the hotel is transformed into a clinic, and even Dr. Parpalaid, who temporarily returns to his village, is so worried about his health following the "diagnosis" of Dr. Knock that he also ends up in bed.



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