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