as Dr. Jekyll / Mr. Hyde

as David Hampton

as Achmet Zek

as Wanakee

as The Spider

as Don Alfonso

as Dr. Scarely

as Robert Earlton

as Single Tooth Wilson

as Matt Daley

as Jacob Feldman

as Piet Kroon

as Legar, The Iron Claw

as Count Sergius Dardinilis

as Lawyer Hawkins

as J. W. Dolson

as Ratburn

as Jules

as Bartender

as The spy

as Jacques Frochard

as George Harmon

as Herman Bennett

as Serpent Smith

as District Attorney

as Hiram Judd

as Flint Bastille

as Maj. Mike Connel

as Giovanni

as Witchdoctor

as Roger Barclay

as The Thing

as Albert Edward Sassoon

as Dr. Jekyll / Mr. Hyde

as Bull McLeod

as McEwen

as Capt. Drake

as Drexel Draig

as Mulatto Mike

as Uncle Nicholas Welby

as 'Breed'

as Gentleman of Rome (uncredited)

as Ivor Johnson

as Pugin

as Perry Bennett / The Clutching Hand

as Boris Kosloff

as Charles Cramp

as White Cloud

as David Hume

as Dr. Morse

as Henri DuBois

as Mr. Matt Russell

as Allen Bancroft

as Richard Manners

as King Louis

as Mr. Fleming

as Blackie Slade

as Doc

as Hank Tolliver