Cast
Louis Morrison
Police Commissioner (uncredited)
E. Alyn Warren
Prosecuting Attorney
Carrie Daumery
Pet Shop Customer (uncredited)
Wilmuth Merkyl
Jeweler (uncredited)
Edward Connelly
Judge
Lon Chaney
Professor Echo / Granny O'Grady
Mae Busch
Rosie O'Grady
Matt Moore
Hector McDonald
Victor McLaglen
Hercules
Harry Earles
Tweedledee aka Little Willie
Matthew Betz
Detective Regan
William Humphrey
Attorney for Defense
Mickey McBan
Boy Watching Hercules' Act (uncredited)