John Stuart
(Peter Kerrigan)
Garry Marsh
(Sir George Ilford)
Annie Esmond
(Lady Caroline Claydon)
Campbell Gullan
(Tollemache)
Evelyn Ankers
(Rosemary Shackleford)
Aubrey Mallalieu
(Lord Claydon)
Finlay Currie
(Rubin)
Joss Ambler
(Inspector Fleming)
Vernon Harris
(Rhodes - the Butler)
Roy Russell
Ernest Borrow
Valentine Dunn
(Margaret McGregor - the Maid)
Ian Fleming
(Dr. Cleveland - Coroner)
Wilfrid Hyde-White
(Holmes)
John Laurie
(Wilson - the Valet)
Ben Williams
(Gamekeeper)
Donald Wolfit
(Executive)
Richard Parry
(Sgt. Midgley)