as Woodrow Wilson
as Scanlan
as Mr. Pendleton
as Malcolm Trask (as Frank Truesdell)
as Author
as Dr. Samuel Boyd
as Henry Strang
as The Papal Legate - English episode
as John Hammond
as Clarence De Vere
as Prof. Poole (as Fred C. Truesdell)
as Fergus Arlington
as Camera-Eye Sherman
as Malcolm Gaskell
as Count de Varville
as Lt. Gov. Fay
as Morgan Grant
as Mr. Warner
as James Bond
as Henry Stockley
