Cast
Peter Haddon
Guy Bannister
Betty Ann Davies
Poppy Levine
Robert Rendel
Sir Herbert Farquharson
Bruce Lester
Peter Ridgwell (uncredited)
Val Gielgud
Julian Caird
Gordon McLeod
Chief Commissioner
Ivor Barnard
Joseph Higgins (uncredited)
Arthur Hambling
Man on BBC Reception Desk (uncredited)
Lilian Oldland
Joan Dryden
Donald Wolfit
Sydney Parsons
Howard Douglas
Weisskopf (uncredited)
Ian Hunter
Detective Inspector Gregory
Austin Trevor
Leopold Dryden
Henry Kendall
Rodney Fleming
Jack Hawkins
Herbert Evans