Trailer
Images
 | Nigel Davenport as John Custance |
 | Jean Wallace as Ann Custance |
 | John Hamill as Roger Burnham |
 | Lynne Frederick as Mary Custance |
 | Patrick Holt as David Custance |
 | Ruth Kettlewell as Fat Woman |
 | M.J. Mathews as George |
 | Michael Percival as Police Constable |
| Tex Fuller as Mr. Beaseley |
| Simon Merrick as T.V. Interviewer |
 | Anthony Sharp as Sir Charles Brenner |
 | George Coulouris as Mr. Sturdevant |
| Anthony May as Andrew Pirrie |
 | Wendy Richard as Clara Pirrie |
| Max Hartnell as Lieutenant |
 | John Lewis as Corporal |
| Norman Atkyns as Dr. Cassop |
| Nigel Rathbone as Davey Custance |
| Christopher Lofthouse as Spooks |
| John Avison as Yorkshire Sergeant |
| Jimmy Winston as 1st. Hun |
| Richard Penny as 2nd. Hun |
| R.C. Driscoll as 3rd. Hun |
| Geoffrey Hooper as Tweed Jacket |
| Christopher Wilson as Farmer |
| William Duffy as Murdered Farmer |
| Mervyn Patrick as Joe Ashton |
| Denise Mockler as Emily Ashton |
| Ross Allan as Alf Parsons |
| Karen Terry as Parson’s Daughter |
| Joan Ward as Mrs. Parsons |
| Brian Crabtree as Joe Harris |
| Susan Sydney as Liz Harris |
| Michael Landy as Jess Arkwright |
| Louise Kay as Susan Arkwright |
 | Bruce Myers as Bill Riggs |
| Margaret Chapman as Prudence Riggs |
 | Christopher Neame as Locke |
 | Bridget Brice as Jill Locke |
| Reg Staniford as Mr. Blennit |
| Maureen Rutter as Mrs. Blennit |
| Derek Keller as Scott |
| Suzanne Pinkstone as Mrs. Scott |
| Surgit Sood as Surgit |
| Dick Offord as Joe |
| Joanna Annin as Joe’s Wife |
| John Buckley as Captain |
| Malcolm Toes as Sgt. Major |
| James Payne as Man in Food Queue (uncredited) |
| Writing | |
| John Christopher | Novel |
| Cornel Wilde | Writer |
Directing | |
| Cornel Wilde | Director |
Writing | |
| Sean Forestal | Writer |
Sound | |
| Burnell Whibley | Music Arranger |
Costume & Make-Up | |
| Tony Armstrong | Costume Design |
Sound | |
| Burnell Whibley | Conductor |
Production | |
| Sydney Streeter | Production Supervisor |
Costume & Make-Up | |
| Biddy Chrystal | Hairstylist |
Directing | |
| John Stoneman | Assistant Director |
Crew | |
| Terry Witherington | Special Effects |
Costume & Make-Up | |
| Dorothy Edwards | Wardrobe Supervisor |
Production | |
| Terence A. Clegg | Unit Manager |
Costume & Make-Up | |
| George Blackler | Makeup Artist |
Camera | |
| Walter Byatt | Camera Operator |
Sound | |
| Cyril Swern | Sound Recordist |
| Roy Baker | Sound Editor |
Directing | |
| Kay Rawlings | Continuity |
Editing | |
| Eric Boyd-Perkins | Editor |
Production | |
| Cornel Wilde | Producer |
Camera | |
| H. A. R. Thomson | Director of Photography |
Editing | |
| Frank Clarke | Editor |
Art | |
| Elliot Scott | Art Direction |
