Dr. Carew
Joshua Snade
Chef Inspector Louvain
R.J. Milne
Sir Francis Stevens
Peter Gunther
Dr. J.P. Finley
Dr. Powers
Mr. Allison (General Manager)
Colbert
Inspector
"Professor" Stanton
Dr. Finley
Dr. Cromwall
Commissioner Hargraves
Henry (Jardin butler)
Carleton P. Adams
Earl of Washington
Dr. Walter Carew
Mr. Fairchild
Mr. Dobson
Mr. Markewell
Dr. Hooper Tupman
Mr. Peck
Dr. Wallace Faber
Dean Williams
Tristan l'Hermite
Cobham
Grand Duke Gregor de Meyerson
Colonel Smith
Robert Carver
Hilton
Admiral Graves
Christian Ledgard
Emanuel Jeremiah (E.J.) Kimball
Pichon
Amos Craven
Francis Chalon
Marcus Lovscheim
Sultan of Morocco
Col. Duncannon
Uncle Henry
Colonel Watrous
William Reichenbach
Judge Rondell
Mr. Kenneth
Grigson - Butler
Uncle Edward Emery
Mr. Talbot
Hopkins
Louis Wooster
Dodge - Miller's Valet (uncredited)
Dr. P. Walter Carew
Drew
William Kane
Vice-Adm. Friedrich Ruge
Timothy
Prince Richard Metternich
President Cavendish
Dr. S.J. Carew
Prof. Frederich Mueller
Heydt
Studio Actor Playing "Napoleon"
Sir Oliver Oates
Rev. Lyman Banks
Senator Simpson
Napoleon III
Dr. S.J. 'Walter' Carew, Hospital Administrator
Wendell
Dr. Melton (uncredited)
George Washington
Mongolia Captain (uncredited)
Monsieur Dupre
Dr. L.B. Carter
Mr. Rudyard
Barney (uncredited)
Malthus
Prof. Schwab
T.W. White
Don Carlos
Superintendent
Wakefield
Coroner
Colonel Sandherr
Professor
Ben Kelvin
Ferdinand E. Bowen
Hiram Grewgious
Reeves
Croce
Col. Blair
Sir Clive
Judge Crothers
James Hughes
General Carleton
Sir Charles
Cary Howard
Armstrong
Dr. Blake
Dr. Mack
Dr. Sam Helck
Dr. Manley
Dr. Poncet
Vance Connor