Lon Chaney

Professor Echo / ...

Mae Busch

Rosie O'Grady

Matt Moore

Hector McDonald

Victor McLaglen

Hercules

Harry Earles

Tweedledee aka Li...

Matthew Betz

Detective Regan

Edward Connelly

Judge

William Humphrey

Attorney for Defense

E. Alyn Warren

Prosecuting Attorney

MA

Margie Angus

Twin (uncredited)

MA

Mary Angus

Twin (uncredited)

WA

Walter P. Cole

Human Skeleton (u...