| Person | Type | Job | Role(s) |
|---|---|---|---|
 Albert Elms | Crew | Sound | Original Music Composer |
Edith Dell | Crew | Writing | Screenplay |
Edward J. Danziger | Crew | Production | Producer |
Erik Blakemore | Crew | Art | Art Direction |
 Georges Périnal | Crew | Camera | Director of Photography |
Harry Lee Danziger | Crew | Production | Producer |
J.T. McIntosh | Crew | Writing | Screenplay |
James Wilson | Crew | Camera | Director of Photography |
John C. Mather | Crew | Writing | Screenplay |
Nicholas Duke Biddle | Crew | Production | Associate Producer |
Paul Dickson | Crew | Directing | Director |
Sidney Stone | Crew | Editing | Editor |
 Alan Gifford | Cast | Actor | Colonel Galloway |
 Alastair Hunter | Cast | Actor | Technician (uncredited) |
Barry Keegan | Cast | Actor | Lefty |
 Bernard Bresslaw | Cast | Actor | Technician (uncredited) |
 Bill Nagy | Cast | Actor | Reporter (uncredited) |
 Bryan Forbes | Cast | Actor | Jimmy Wheeler |
 Carl Jaffe | Cast | Actor | Professor Bechstein |
Charles Richardson | Cast | Actor | General Barnett |
 Donald Gray | Cast | Actor | Captain Ross |
 Donald Wolfit | Cast | Actor | Prof. Merrity |
Frank Sieman | Cast | Actor | Gatekeeper (uncredited) |
Jane Dore | Cast | Actress | Young Girl (uncredited) |
 Jimmy Hanley | Cast | Actor | Larry Noble |
John Baker | Cast | Actor | Official (uncredited) |
 Kieron Moore | Cast | Actor | Cmdr. Michael Haydon |
Leonard Sharp | Cast | Actor | Thomas the Watchman (uncredited) |
 Lois Maxwell | Cast | Actress | Kim Hamilton |
Peter Neil | Cast | Tony | |
 Robert O'Neil | Cast | Actor | Reporter |
Ryck Rydon | Cast | Actor | Reporter |
Shirley Lawrence | Cast | Actress | Ellen |
Terry Randall | Cast | Actress | Reporter (uncredited) |
Thea Gregory | Cast | Actress | Barbara Noble |
 Trevor Reid | Cast | Actor | Simmons the Technician (uncredited) |
 Walter Hudd | Cast | Actor | Professor Blandford |
Patrick Halpin | Cast | Actor | Reporter (uncredited) |
Terry Randall | Cast | Actor | Reporter (uncredited) |
Johnny Wyne | Cast | Actor | Reporter (uncredited) |
Paul Beradi | Cast | Actor | Reporter (uncredited) |
 Ronan O'Casey | Cast | Actor | Reporter |
John Wilder | Cast | Actor | Reporter (uncredited) |
Tony Quinn | Cast | Actor | Jack the Barman (uncredited) |
| Person | Type | Job | Role(s) |
