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