Detective Inspector Gregory
Leopold Dryden
Joan Dryden
Rodney Fleming
Julian Caird
Guy Bannister
Poppy Levine
Herbert Evans
Sydney Parsons
Sir Herbert Farquharson
Chief Commissioner
Hannen Swaffer
Director
Director of Photography
Editor
Adaptation
Novel
Assistant Director
Sound Recordist
Costume Design
Novel
Production Supervisor
Art Direction
Music Director
