Cast
John Robinson
Sir Colenso Ridgeon
Felix Aylmer
Sir Patrick Cullen
Peter Sallis
Secretary at Picture Gallery
Joan Benham
Visitor at Art Exhibition (Uncredited)
Dirk Bogarde
Louis Dubedat
Michael Gwynn
Dr. Blenkinsop
Maureen Delaney
Emmy
Terence Alexander
Mr. Lanchester
Alastair Sim
Cutler Walpole
Robert Morley
Sir Ralph Bloomfield-Bonington
Alec McCowen
Redpenny
Colin Gordon
Newspaper Man
Leslie Caron
Mrs. Dubedat