Charles Marden
Escalus
Stephen Lee
The Railroad Attorney
John Risca - also spelled John Riska
Vance Palmer
Redgell
Lorenzo Carilo / Duke d'Amunzi
Kit 'Smoke' Bellew
Max Lawrence
Detective Chief Henry Barton
Steven Kennedy
Rawdon Crawley
Floyd Cooper
George Hollins
Frank Desmond
Sir Julian Kent
Richard Carewe
Jerry Naughton
Jack Norton
Van Dyne
Gerald Whitney
Edwin Strange
Commander Donald Hall
Rupert de Vrieac
Self (archive footage)
Louis Willing
Lee Clavering
Grant Arnold
Insp. Decker Dawes
David Elrod
Richard Keith
Joe Strickland
Michael Nash
Mahmoud Baroudi
Bob Ashley
Anthony Weir
Ernest Lismore
Général de Montriveau
Jim Anthony
Hugh Somerton
Malcolm Kent
Kerry Sarle
Harold Courtenay
Robert Lane
Louis Neville
Neville
Robert Maury
Stephen Ghent
Alexander, aka Sascha
Count Maxim von Hurtig
Dr. William Matthews
Prince Felix Yussepov
Capt. Miles Prothero
Arthur Fallaray
Theodore Proctor
Gerald Rexford
Robert Vantine
Buck Fearnley
Wade Cameron
Kirk Allenby / Bob Enright
Count Horkoy