John Halliday

as Fitzpatrick

as Seth Lord

as John Morgan

as Thomas Stenborg

as John Craig

as Gilbert Fullerton

as Andre Gallinet

as Count de Grissac

as John Wellington Blakeford

as Martan Fontes

as Carlos Margoli

as The Duke of Towers

as Sir George Barton

as Marco Turina

as Dr. Theodore Van Wyke

as Henry Bradford

as Austin

as Paul Duprey

as Dr. John Redmayne

as Mr. Radcliffe

as Jack Brookfield

as Dr. Hedwig

as Tom Cleary - Director

as Lyndon Fiske

as Stephen Paige

as Maximilian Kreig

as Stephen Bessemer

as Ivan Ronnson

as Prof. David Mathews

as Mac

as Gordon St. Claire

as Arthur Ladden

as Albert Hartman

as Dorval

as Jeff Hunter

as Sir Guy Harrington

as Dexter Burroughs

as Henry D. Graham

as Himself - Golfer

as Sergei Krasnoff

as Dr. Franklin

as Michael Cummins

as James 'Jimmy' Dammier

as Ambrose Applejohn

as Richard Kent

as John Remington

as Brentwood Parr

as Skip Cornwall

as Jim Winthrop

as Daniel Garford

as Paul La France

as Jim Dempsey