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