The intrepid reporter and amateur sleuth Joseph Rouletabille becomes involved in the investigation of a hideous crime committed in a room painted yellow, whose door was locked from the inside…
William Walcott
Professor Strangerson
Edmund Elton
Robert Darzac
George Cowl
Frédéric Larsan
Ethel Grey Terry
Mathilde Strangerson
Lorin Baker
Joseph Rouletabille
Jean Del Val
Jean Sainclair
W. H. Burton
Daddy Jacques
Henry S. Koser
Mr. Bernier
