Casts
Paul Hubschmid
as John McLaren
Madeleine Fischer
as Katy Dandridge
Fiorella Mari
as Mary McLaren
Ivo Garrani
as Professor Herbert Weisse
Dario Michaelis
as Peter Leduq
Jean-Jacques Delbo
as Sergei Boetnikov
Peter Meersman
as General van Dorff (uncredited)
Giacomo Rossi Stuart
as Stuart (uncredited)
Gérard Landry
as Landowsky (uncredited)
Shane Rimmer
as John McLaren (uncredited) (voice)
