Cast
Reginald Beckwith
Mumford
Arthur Howard
Meeching
John Laurie
Capt. MacKechnie
Peter Copley
Scientist
Jameson Clark
Constable Macrae
Donald Sinden
Hugh Mander
Duncan Macrae
Duncan Ban
Nicholas Phipps
Andrew Wishart
Finlay Currie
Narrator (uncredited)
Carl Jaffe
Dr Hamburger
Basil Dignam
R.A.F. Officer (uncredited)
Jeannie Carson
Janet Macleod
Noel Purcell
Father James
Ian Hunter
Air Commodore Watchorn
Gordon Jackson
George Campbell
Jean Cadell
Mrs Campbell
Ronnie Corbett
Drooby
James Copeland
Kenny Mcleod
Roland Culver
Capt Waggett
Catherine Lacey
Mrs Waggett