as Old Seaman (uncredited)
as Johanna's Unseeing Husband
as Jeff
as Philip Estabrook
as Wilkinson
as King
as Dudley Cameron
as Bill Butters
as Arthur Gaylord
as Professor Porter
as Dad
as Peter
as Bassett
as Prof. Porter
as Caretaker
as Rip Van Winkle
as Caleb Fairman
as Silent Sam
as Mr. Vance
as Paul R. Edgarton
as Bookshop Proprietor (uncredited)
as James Sharp
as Gerald Whitcomb
as Sam Graham
as Jeff Thompson
as Ruthven Smith
as Giuseppe
as Robert Cameron / Donald McNish
as Henri Trevel
as Dora's Father
as Michael
as The Doctor (unconfirmed)
as Frangois Cayetane
as King Louis of France
as James Hodkins
as Samuel Van Zile Janney
as Ho Ling
as Simon Hibbler
as Mr. Courtland
as Dr. Ferraud
as Professor Querrington
as Harris
as Robert Hammond
as Chief Thling Tinner
