as

J. W. Dolson

as

Dr. Jekyll / Mr. Hyde

as

Lawyer Hawkins

as

Robert Earlton

as

Matt Daley

as

The Thing

as

David Hampton

as

Achmet Zek

as

The Spider

as

Witchdoctor

as

Wanakee

as

Jacob Feldman

as

Bartender

as

The spy

as

Mulatto Mike

as

'Breed'

as

Doc

as

Jules

as

Hiram Judd

as

Capt. Drake

as

Hank Tolliver

as

Piet Kroon

as

Ratburn

as

Maj. Mike Connel

as

Uncle Nicholas Welby

as

Gentleman of Rome (uncredited)

as

Ivor Johnson

as

Boris Kosloff

as

Blackie Slade

as

Single Tooth Wilson

as

Herman Bennett

as

District Attorney

as

Flint Bastille

as

Bull McLeod

as

McEwen

as

Pugin

as

Don Alfonso

as

Serpent Smith

as

Albert Edward Sassoon

as

Drexel Draig

as

King Louis

as

Giovanni

as

Henri DuBois

as

Mr. Matt Russell

as

Richard Manners

as

Jacques Frochard

as

Dr. Jekyll / Mr. Hyde

as

White Cloud

as

Roger Barclay

as

Dr. Scarely

as

George Harmon

as

Legar, The Iron Claw

as

Count Sergius Dardinilis

as

Mr. Fleming

as

Charles Cramp

as

David Hume

as

Dr. Morse

as

Perry Bennett / The Clutching Hand

as

Allen Bancroft