Discover
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
Jean Ewing
Mrs. Bernier
William Morrison
Judge Marquet
Louis R. Grisel
Mr. Maleine
John McQuire
Mr. Mathieu
Catherine Ashley
Mrs. Mathieu
Ivan Dobble
The Green Man
Camera
Jacques Bizeul
Director of Photography
Production
Émile Chautard
Producer
Camera
Jacques Bizeul
Director of Photography
Production
Émile Chautard
Producer