Lyndon Brook

as Pugh

as Begley

as Narrator

as King George VI

as Gillam

as Cartney

as Silanus

as A.J. Balfour

as Dr. Swanley

as Dr. Barrister

as Doctor

as Philip McDowell

as Sir Arthur Harris

as Lt. Col. Brant

as Victor Franklin

as Brian Carter

as Alan Haynes

as Stephan

as Mark

as Lt. Walsh (uncredited)

as Gerry Domford

as Philotas

as Dr. Manx

as Lyall

as Stavrin

as Richard Wagner

as Charles

as John Patterson

as Dr. Ian Breck

as Robert Burton

as Johnny Sanderson

as Martin Eliot

as Leslie Parrish

as Diver Navigator, X2

as Carrington

as Bit Role (uncredited)

as Actor