Inside the Room: Reparto
Austin Trevor
Pierre Santos
George Hayes
Henry Otisse
Garry Marsh
Geoffrey Luce
Brian Buchel
Adam Steele
Robert Horton
Sir George Frame
Frederick Burtwell
Det. Inspector Grant
Kiyoshi Takase
Manservant
Claude Horton
Dyson
Dorothy Boyd
Dorothy Ayres
Marjorie Chard
Lady Groombridge
Vera Bogetti
Agnes Judd
Dorothy Minto
Lilian Hope
Kathleen Harrison
Nurse
Aubrey Mallalieu
Doctor