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