Robert Montgomery
Robert Kilmount
Edward Arnold
Quentin 'Doc' Ramsey
Reginald Owen
Gervase Gonwell
Edmund Gwenn
Munsey, the Butler
E. E. Clive
Mr. Redwood
Ronald Sinclair
Master Gerald Kilmount
Norma Varden
Maureen Kilmount
Halliwell Hobbes
Lord Chancellor
Ian Wolfe
Reading Clerk (as Ian Wulf)
Peter Godfrey
Judson
Billy Bevan
Castle Guide
Jimmy Aubrey
Cockney (uncredited)
Barbara Bedford
Ramsey's Secretary Martha Jackson (uncredited)
Ted Billings
Townsman Outside House of Lords (uncredited)
Gladys Blake
'Babe', Silken Legs (uncredited)
Barlowe Borland
Fingal (uncredited)
Matthew Boulton
Ickerton (uncredited)
David Clyde
Hanger-on (uncredited)
Alec Craig
Fingal's Son (uncredited)
Sayre Dearing
Gunman in Card Game (uncredited)
William Haade
Crapshooter (uncredited)
Holmes Herbert
Sergeant-at-Arms (uncredited)
Harold Howard
Fisherman (uncredited)
Olaf Hytten
Hodges (uncredited)
Boyd Irwin
Presiding Magistrate (uncredited)
Gladden James
Silky's Secretary (uncredited)
Colin Kenny
Sergeant (uncredited)
Claude King
Yeoman Usher (uncredited)
Miles Mander
Attorney General (uncredited)
Eddie Marr
Kilmount Salesman with Gun (uncredited)
Harold Miller
House of Lords Courtroom Spectator (uncredited)
Leonard Mudie
Mr. Allington (uncredited)
Forbes Murray
Diplomat (uncredited)
William H. O'Brien
Turnkey (uncredited)
Tempe Pigott
Mrs. Oakes (uncredited)
Harry 'Snub' Pollard
Townsman (uncredited)
Ivan F. Simpson
Hargraves (uncredited)
William Stack
Coroner (uncredited)
Zeffie Tilbury
Miss Nana (uncredited)
Anthony Warde
Kilmount Salesman (uncredited)
Robert Warwick
Clerk at Parliament (uncredited)
Ben Webster
Gaffer Oakes (uncredited)
Ben Welden
Silky's Driver (uncredited)
Frederick Worlock
Lord Elfie (uncredited)