Margaret Lockwood

Helene Ardouin

Hugh Sinclair

Inspector Calas

James Mason

Andre Laurent

Raymond Lovell

Prof. Winkler

Rodney Ackland

Winker's Assistant

Enid Stamp-Taylor

Dany

Hartley Power

Gordon

Jane Carr

Delia

Edana Romney

Winkler's Assistant

Brian Desmond Hurst