Discover

Anton Diffring
Dr. Erik Leichner

William Sylvester
Vince Warren
Justine Lord
Diane Graydon

Martin Miller
Schroeder
Tony Garnett
Brennan

Warren Mitchell
Chemist

Philip Locke
Foster
Vivienne Leichner
Sylva Langova

Jacqueline Jones
Vanessa Palmer

Geoffrey Palmer
Dr. Tanfield
Directing
Norman Harrison
Director