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