Sheldon Lewis

as J. W. Dolson

as Dr. Jekyll / Mr. Hyde

as Lawyer Hawkins

as Matt Daley

as Robert Earlton

as Tony

as The Thing

as David Hampton

as Achmet Zek

as Witchdoctor

as The Spider

as Mulatto Mike

as Wanakee

as Bartender

as Doc Slade

as Jacob Feldman

as Tom Arnold

as 'Breed'

as The spy

as Hank Tolliver

as Capt. Drake

as James Clark

as Hiram Judd

as Jules

as Gentleman of Rome (uncredited)

as Lamont

as Ratburn

as Ivor Johnson

as Boris Kosloff

as Uncle Nicholas Welby

as Maj. Mike Connel

as Piet Kroon

as Blackie Slade

as Bull McLeod

as District Attorney

as First Mate

as Flint Bastille

as Big Jim

as Michael Collins

as Herman Bennett

as Single Tooth Wilson

as Stanton Wade

as Pugin

as McEwen

as Serpent Smith

as Don Alfonso

as King Louis

as Albert Edward Sassoon

as Drexel Draig

as Giovanni

as Mr. Matt Russell

as Henri DuBois

as Richard Manners

as Jacques Frochard

as self

as Dr. Jekyll / Mr. Hyde

as White Cloud

as Richard Bannister

as Roger Barclay

as Dr. Scarely

as George Harmon

as Mr. Fleming

as Legar, The Iron Claw

as Count Sergius Dardinilis

as Charles Cramp

as David Hume

as Dr. Morse

as Perry Bennett / The Clutching Hand

as Allen Bancroft