Gen. Sir Henry Clinton
Warder (uncredited)
Dr. John Lanyon
Magistrate
Chief of Police
Ebenezer Crabtree
Lassalle
Narrator (voice) (uncredited)
Magistrate (uncredited)
Dr. Rasmussen
James Goodram, courier
Alan Cosgrave
Sir Paradine Fuldes
Fielding
Dr. Morley
Councilman (uncredited)
Sir William Dawson
Sir Alfred Spencer
Sir Karell Borotyn
First Doctor
Melvyn Russell
Bryant, the Butler
Charlie Jessup
Capt. Gardner
Noel
Justice of the Court
Dr. Martin
Arthur Bennett
Judge
Dr. White, Minister
Rev. Barnes
John Dennys
The Son
Squire John Rattray
Prof. Ed Janney
Sir Bertram Evans - Home Secretary
McDowell (uncredited)
Sir Roscoe Crosby
James Seeley
Lord Benditch
Gilbert Van Horn
Roscoe Crosby
Howard Presley
Jobson
Arthur Glenn
James Corwin
Maj. Bradford
Dr. Robert Merrill
Lord Angus Cameron
John J. Hackett Sr.
Archbishop
Mr. Hunter
Filmer Jesson
Jacob Delafield
Maj. Addison
Charles Dillon (scenes deleted)
Bruce Rogers
Donald Cabot Sr.
Paul Thorpe
Kilgallen
Richard Granger
Rev. Miller (uncredited)
Mr. McNeil
James Walton Kennedy
Dr. Giddings
Lt. Philip Nolan
Curtis Chadburne
Judge Rowland
Roger Van Dorn
Mulloy (uncredited)
Richard Carrington Sr.
Mr. Gregory
Commander
Mr. Rodney Allison
Harry Bryant
Frederick Holcomb
J.L. Winton
Saul Farnsworthy
Dr. Mathias
John Scorsby
Philip Gray
Leonard Jones
Noble
Lord Falkland
Chief Steward
War Minister (uncredited)
Captain Dell
Bentham (uncredited)
Inspector McIver
Doctor
Marshal Randon (uncredited)
Colonial Official
Police Inspector
Minor Role
Featherstone
Lord Glowan
Majordomo (uncredited)
Judge
Sergeant-at-Arms (uncredited)
Harold Anderson
Jean Tiberge
Doctor (uncredited)
Frawley (uncredited)
Asst. Commissioner
Robert's Friend at Bar at Party (uncredited)
Dean Norris
Member of Parliament (uncredited)
Sir Edward
Captain (uncredited)
Second Banker
Dr. Cooper
Pastor West
Jim Donaldson
Gen. Johnson
Frank Galloway
Doc Henderson
Major Hillgrove
Peter "Count Merlin" Dwight
Sir Reginald
Gerald Trask
Goodman (as Holmes E. Herbert)
Carouge
Robert Newhall
Wilkins (uncredited)
Sir John Petrie
Sir John
Hospital Administrator
Prophet
Scotland Yard Inspector McIvar
Captain McWilliams
Commissioner Geoffrey Marsden
English Sea Captain
Henry Spoffard
Mr. Ahrens
Commissioner
Commodore Ramsay
Aaron Burr
Sir Robert
Spokesman
Charles Paris
James Driscoll
Jim Brood (as Holmes E. Herbert)
Thomas Josselyn
Dustan Renshaw
Member of Naval Company (Uncredited)
Judge (uncredited)
Thomas Jefferson
Chief Constable (uncredited)
Doctor (Uncredited)
Arnold Maitland
Rudolph Solomon
Sir Humphrey
Eustis Hobbs
Butler (uncredited)
Benefit Emcee (uncredited)
Herald (uncredited)
John Plummer (as Holmes E. Herbert)
Tom Richards
Hugh Rochedale
Lord Landslake
Commissioner
Frank Manners (as Holmes E. Herbert)
Thorvald Helmar
Constable (uncredited)
Head of Canadian Parliament (uncredited)
Charles Wright
Roland Bland
Sir Percy Blakeney
Pelham Franklin
Peter Craddock
James Bruton
Man at Auction (uncredited)
R. Honorable Thurston Ralph, Viscount Canning
Fenwick Flint
Alfred Dinsmore
Rowerth
Prince of Wales