Carlsen
Caine
Fallada
Space Girl
Dr. Armstrong
Bukovsky
Derebridge
Sir Percy
Ellen
Lamson
Guard
1st Vampire (as Christopher Jagger)
2nd Vampire
Pathologist
Physician
Metallurgist
The Minister (as James Forbes-Robertson)
Prime Minister
Prime Minister's Secretary
1st Scientist
Rawlings
Navigation Officer
Fatherly Guard
Brash Guard
2nd Guard
Kelly
1st Soldier
2nd Soldier
Police Surgeon
Doctor
Police Inspector
1st Boy in Park (as Peter Løvstrøm)
2nd Boy in Park
1st Radar Technician
2nd Radar Technician (as Elizabeth Morton)
Communications Officer
1st Crewperson
2nd Crewperson
3rd Crewperson
4th Crewperson
Mission Leader
Trajectory Officer
N.A.S.A. Man
1st N.A.S.A. Officer
2nd N.A.S.A. Officer
Ship Crewman (as Richard Sharpe)
Colonel
Colonel's Aide
Soldier
Ned Price (as Sydney Livingstone)
Sykes
B.B.C. Commentator
Helicopter Pilot
Narrator (unconfirmed)
Soldier at Greenwich (uncredited)
Man on Tannoy (uncredited)
Mime Artist (uncredited)
London Man (uncredited)
Soldier (uncredited)
Communications Officer (voice) (uncredited)
Zombie (uncredited)
Zombie Shot in Head (uncredited)
NASA Technician (uncredited)
Policeman (uncredited)
NASA Man (uncredited)
VIP (uncredited)
Poilceman (uncredited)
Rawlins (voice) (uncredited)
Technician (uncredited)
Man Attacked by Zombies (uncredited)
Various Zombies (uncredited)