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