Robert Powell

Richard Hannay

David Warner

Sir Edmund Appleton

Eric Porter

Chief Superintendent Lomas

Karen Dotrice

Alex Mackenzie

John Mills

Scudder

George Baker

Sir Walter Bullivant

Ronald Pickup

Bayliss

Donald Pickering

Marshall

Timothy West

Porton

Miles Anderson

David

Andrew Keir

Lord Rohan

Robert Flemyng

Magistrate

William Squire

Harkness

Paul McDowell

McLean

David Collings

Tillotson

Don Sharp