as Doctor
as Dr. Barrister
as Brian Carter
as Lt. Walsh (uncredited)
as Johnny Sanderson
as Begley
as Stavrin
as Bit Role (uncredited)
as John Patterson
as Charles
as Richard Wagner
as Robert Burton
as Carrington
as Pugh
as Actor
as Leslie Parrish
as Dr. Ian Breck
as Diver Navigator, X2
as King George VI
as Philotas
as Narrator
as Gerry Domford
as Dr. Manx
as Lyall
as Gillam
as Philip McDowell
as Silanus
as Victor Franklin
as Stephan
as Cartney
as Lt. Col. Brant
as Mark
as Martin Eliot
as Alan Haynes
as A.J. Balfour
as Dr. Swanley
