Yul Brynner

Peter Novak

Charles Gray

Harrison, 'The Owl'

Edward Woodward

Arthur Thompson

John Barrie

Supt. Sloane

Adrienne Corri

Angela 'Tina' Richmond

Graham Crowden

Smythe

Walter Gotell

George Leeds

Hugh McDermott

Ray Moss

Hilary Dwyer

Ann Marlowe

Ken Jones

Stroud

Karl Stepanek

Mueller

Bernard Archard

Collins

Arnold Diamond

Pollard

Philip Anthony

Technician