The Trygon Factor

Stewart Granger

Superintendent Cooper Smith

Susan Hampshire

Trudy Emberday

Cathleen Nesbitt

Livia Emberday

James Culliford

Luke Emberday

Brigitte Horney

Oberin

Robert Morley

Hubert Hamlyn

Sophie Hardy

Sophie

Colin Gordon

Dice

Eddi Arent

Clossen

Diane Clare

Clare