Robert Donat (Sir Robert Morton)
Margaret Leighton (Catherine Winslow)
Cedric Hardwicke (Arthur Winslow)
Basil Radford (Esmond Curry)
Neil North (Ronnie Winslow)
Jack Watling (Dickie Winslow)
Kathleen Harrison (Violet)
Cecil Bevan (Speaker)
Cyril Ritchard (Comedian)
Kynaston Reeves (Lord Chief Justice)
Philip Ray (1st Speaking Member)
Dandy Nichols (Miss Hawkins)
Frank Tickle (Mr. Gunn)
Mona Washbourne (Miss Barnes)
Margaret Withers (Mrs. Jordan)
Hilary Pritchard (Dr. Anstruther)
Evelyn Roberts (Hamilton MP)
Ivan Samson (Commander Flower)
Vera Cook (Violet's friend)
Gordon McLeod (Elderly Member)
Beatrice Marsden (Cook)
Aubrey Mallalieu (Mr. Roberts)
George Bishop (Usher)
Wilfred Caithness (Minister)
Ian Colin (Mr. Saunders)
Hugh Dempster (Agricultural Member)
Charles Groves (Clerk of the Court)
Nicholas Hawtrey (Charles Elliott)
Mary Hinton (Mrs. Elliott)
Stanley Holloway (Comedian)
Noel Howlett (Mr. Williams)
Wilfrid Hyde-White (Mr. Ridgeley-Pearce)
Marie Lohr (Grace Winslow)
Edward Lexy (First Elderly Member (Smoking Room))
Bill Shine (Fred)
Wilfrid Hyde-White (Wilkinson)
Archibald Batty (Elderly Member)
Ernst Thesiger (Mr. Ridgeley-Pearce)
Lewis Casson (Adm. Springfield)
Frank Lawton (John Watherstone)
Francis L. Sullivan (Attorney General)
Nicholas Hannen (Col. Watherstone)
Walter Fitzgerald (1st Lord)