Princess Beatrix de Rohan
Beatriz Michelena
Henri de Rohan
Clarence Arper
Noel Brent
William Pike
Duke Grozzi
Andrew Robson
Count D'Olli
Albert Morrison
Minister of Foreign Affairs
Leslie T. Peacocke
Police chief
John Lord
Writer
Director
George E. Middleton
Novel
A.M. Williamson