The Werewolf / Duncan Marsh
Sheriff Jack Haines
Amy Standish
Mrs. Helen Marsh
Chris Marsh
Deputy Ben Clovey
Hank Durgis
Dr. Jonas Gilcrist
Mack Fanning
Dr. Emery Forrest
Dr. Morgan Chambers (as George M. Lynn)
Hoxie
Townsman (uncredited)
Cora (uncredited)
Deputy (uncredited)
Ma Everett (uncredited)
Joe Mitchell (uncredited)
Townswoman (uncredited)
Narrator (voice) (uncredited)
Min (uncredited)
First Reporter (uncredited)