Captain Louis Renault
Alexander Sebastian
Mr. Dryden
Sir John Talbot
Joseph Paine
King Herod
Prof. George Edward Challenger
Prince John
Dr. Jack Griffin
Frederick Lannington
Julius Caesar
Nick
Professor Benson
Alexander Hollenius
Det. Monty Phelan
Dr. Jaquith
Don José Alvarez de Cordoba
(archive footage)
Lee Gentry
Victor Grandison
Nutsy
Earl of Hertford
Job Skeffington
Kees Popinga
Ambrose Pomfret
Arthur 'Fred' Martingale
Marquis Don Luis
Erique Claudin
Clarkis
Maximus
Mr. Jordan
Adam Lemp
Captain Freycinet
District Attorney Andrew J. Griffin
Howard Justin
Self (archive footage) (uncredited)
Alexander Tower
John Jasper
Paul Delambre
John Stevenson
Emperor Louis Napoleon III
David Belasco
Paul Ward
Philippe Rambeau
Jim Masters
Paul Verin
Mayor of Hamelin
Mr. Henry Halevy
Art Harper
Napoleon Bonaparte
Stefan Orloff
Capt. Henrik Skalder
Joseph Targel
Colonel Ferris
Aristides Mavros
Haym Salomon
Self (archive footage)
Erique Claudin (archive footage)
Elisha Hunt
Self
Claude Rains (archive footage) (uncredited)
Jacob Marley (voice) (uncredited)
Mr. Brink
John Winfield Weston
John Fabian
Alexander Longford
Edward Fredericks
Judge Dan Haywood
Charles Gresham
Andrew Thurgood
Father Amion
Leonard Eldridge
The High Lama
Dr. Jack Griffin/The Invisible Man
Alexander Sebastian (archive footage) (uncredited)