Inspector Harry Sanders
Richard Todd
Dr. Inge Jung
Marianne Koch
Dr. Franz Weiss
Albert Lieven
Dr. Schneider
Walter Rilla
Tom Hamilton
Jeremy Lloyd
Jim Hunter
Robert Arden
Marlene
Vivi Bach
Bosambo
Simon Sabela
Jack Pearson
Bill Brewer
Writer
Harry Alan Towers
Producer
Story
Edgar Wallace
Nicolas Roeg
Director
Lawrence Huntington
Music
Sidney Torch
Kevin Kavanagh
Cinematography
Robert Huke
Editor
Allan Morrison