as Sturmbannführer Toberg, SS (uncredited)
as Alpha
as Barry
as Oberon
as Norman Tebbit
as Commander Adam Dalgliesh
as John Stockton
as Crael
as George
as Mervyn Stockwood
as David Foster
as Sidney Frederick Haynes
as Fred
as Joseph
as David Caesar
as Narrator
as Mr. Stoker
as Ted Cartwright
as Prof Nigel Silverlake
as Prof. Nigel Silverlake
as Gerald Overton
as Danny Driscoll
as Alien Invisible
as Adam Dalgliesh
as Frank Turner
as Eddie
as The Captain
as Sir Vivian Kirkwood
as Peter Simkins
as Captain Good
as Commander Haydock
as Mac
as Blick
as Lt. David Stanton
as Military Prior
as Stanfield
as Sir Iain Ratalick
as Charles Edward 'Mr Chips' Chipping
as Jack Ruskin
as Sycamore
as George Osborne
