cast
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- Lon Chaney
- Dr. Arthur Lamb, The Ape Man
- Raymond McKee
- Robert Sandell
- Jacqueline Logan
- Angela Marshall
- Fontaine La Rue
- Mrs. Lamb
- Virginia True Boardman
- Mrs. Sandell
- Aggie Herring
- Bessie
- Virginia Madison
- Angela's Mother
crew
- Wallace Worsley, Sr.
- Director
- Barry Paine
- Screen Story, Screenwriter
- J.G. Hawks
- Screenwriter
- Norbert F. Brodin
- Cinematographer
