Nina Foch
— Vera Claythorne
Barry Jones
— Mr. Justice Sir Lawrnece Wargrave
Romney Brent
— Dr. Edward Armstrong
Kenneth Haigh
— Philip Lombard
Valerie French
— Emily Brent
Peter Bathurst
— General John Gordon Mackenzie
James Berwick
— Det. William Henry Blore
Chandler Cowles
— Frederick James Marston