Mathilde Strangerson, the daughter of an eminent scientist, narrowly escapes being murdered in her own bedroom by an unknown assailant. As the room was locked from the inside, no one can understand how the attacker managed to enter or leave the room. Reporter and amateur sleuth Joseph Rouletabille arrives on the scene to protect Mathilde and resolve the mystery of the yellow room.
Director: Marcel L'Herbier
Director of Photography: Nikolai Toporkoff, Léonce-Henri Burel
Producer: Adolphe Osso
Joseph Rouletabille
Mathilde Stangerson
Marie
Professeur Stangerson
Frédéric Larsan
Robert Darzac
Le juge
Le garde-chasse