The Crimson Stain Mystery

Maurice Costello

Harold Stanley

Ethel Grandin

Florence Montrose

John A. Milton

Layton Parrish (as John Milton)

Eugene Strong

Robert Clayton

Lorna Volare

Little girl

Thomas J. McGrane

Dr. Burton Montrose

Olga Olonova

Vanya Tosca

William Cavanaugh

Doctor's Assistant

N.J. Thompson

Jim Tanner