- Country: USA
- Genres: Drama, Horror, Mystery
- Release: 1922-12-03
- Director: Wallace Worsley
- Writers: J.G. Hawks , Barry Pain
- Language: None | English
- Stars: Lon Chaney , Lon Chaney , Raymond McKee , Virginia True Boardman , Fontaine La Rue , Jacqueline Logan , Aggie Herring , Virginia Madison , Wallace Beery (1885–1949) , Betsy Ann Hisle
- Runtime: 57 min
- Awards: N/A
- AKA: Rival des Dieux (France, French Republic) , A Blind Bargain (United Kingdom) , A Blind Bargain , La obsesión de un sabio (Spain) , The Octave of Claudius (United States of America) , A Blind Bargain (United States of America)
- Plot: Lon Chaney interpreta due ruoli in questo film. E' il dottor Lamb, un folle chirurgo che sta effettuando inumani esperimenti sul corpo dei defunti, ed è anche il suo scimmiesco assistente, risultato di uno dei suoi esperimenti.
- IMDB:tt0012949
A Blind Bargain Cast · · · ALL
Wallace Worsley
Director
Lon Chaney
Dr. Arthur Lamb / The Ape Man
Raymond McKee
Robert Sandell
Jacqueline Logan
Angela Marshall
Virginia True Boardman
Mrs. Sandell
Fontaine La Rue
Mrs. Lamb
Aggie Herring
Bessie
Virginia Madison
Angela's Mother
Wallace Beery
(1885–1949)
Beast Man (uncredited)