Lon Chaney
Professor Echo / Granny O'Grady
Reparto
Mae Busch
Rosie O'Grady
Matt Moore
Hector McDonald
Victor McLaglen
Hercules
Harry Earles
Tweedledee aka Little Willie
Matthew Betz
Detective Regan
Edward Connelly
Judge
William Humphrey
Attorney for Defense
E. Alyn Warren
Prosecuting Attorney
Margie Angus
Twin (uncredited)
Mary Angus
Twin (uncredited)
Walter P. Cole
Human Skeleton (uncredited)
Carrie Daumery
Pet Shop Customer (uncredited)
Delmo Fritz
Sword Swallower (uncredited)
Alice Julian
Fat Lady (uncredited)
Peter Kortes
Sword Swallower (uncredited)
Mickey McBan
Boy Watching Hercules' Act (uncredited)
Wilmuth Merkyl
Jeweler (uncredited)
