Crimson Curtain (French: Le rideau rouge) is a 1952 French crime drama film directed by André Barsacq and starring Michel Simon, Pierre Brasseur and Jean Brochard.

[1] It was made at the Saint-Maurice Studios in Paris, with scenes also shot on location at the Théâtre de l'Atelier.

The film's sets were designed by the art director Jean-Denis Malclès.

Shortly before a theatrical production of Shakespeare's Macbeth is to take place, the tyrannical director Bertal is murdered.

Suspicion falls on his various cast members, all of whose actions seem to resemble those of the characters thy are playing in the production.