J. W. Dolson
Dr. Jekyll / Mr. Hyde
Lawyer Hawkins
Matt Daley
Robert Earlton
The Thing
Achmet Zek
Witchdoctor
The Spider
Wanakee
Bartender
Jacob Feldman
'Breed'
The spy
Capt. Drake
Gentleman of Rome (uncredited)
Ratburn
Ivor Johnson
Boris Kosloff
Uncle Nicholas Welby
Maj. Mike Connel
Piet Kroon
Bull McLeod
District Attorney
Flint Bastille
Single Tooth Wilson
Pugin
Albert Edward Sassoon
Drexel Draig
Giovanni
Jacques Frochard
Dr. Jekyll / Mr. Hyde
White Cloud
Roger Barclay
George Harmon
Legar, The Iron Claw
Count Sergius Dardinilis
Charles Cramp
Perry Bennett / The Clutching Hand
