""
Günther Ungeheuer
as Harry Brent
Peter Ehrlich
as James Wallace
Brigitte Grothum
as Jane Conway
Wolfgang Preiss
as George Conway
Anneliese Römer
as Jacqueline Dawson
Gert Haucke
as William Brother
Dirk Dautzenberg
as Roy Phillips
Helmut Käutner
as Sir Gordon Towns
Christiane Nielsen
as Philis Brother
Joost Siedhoff
as Mark Rainer
Günther Hoffmann
as Sergeant Tomlins
Peter Beauvais
Director
Francis Durbridge
Writer
Marianne de Barde
