Including Stephen Boyd (Philip Scott), Camilla Sparv (Toni Peters), Michael Redgrave (Harris), Leo McKern (Smith), Jeremy Kemp (Hal), Robert Hoffmann (Paul Spiegler), Jane Merrow (Martine), Carl Möhner (Inspector), Vivi Bach (Erika Herschel), Werner Peters (Kramer), Dieter Geissler (Kurt), John Alderton (George), and Jan Werich (Dr Spiegler).