Cast & crew
The Long Arm (1956)
Directed by Charles Frend Written by Robert Barr, Janet Green
Cast
| Sam Kydd | Constable Saunders |
| Jack Hawkins | Halliday |
| John Stratton | Ward Patient |
| Dorothy Alison | Halliday |
| Michael Brooke | Halliday |
| Newton Blick | Fhloston Commander |
| Glyn Houston | Boothroyd - 'Q' |
| Richard Leech | Nightwatchman |
| Geoffrey Keen | Malcolm |
| Sydney Tafler | Stone |
| Peter Burton | Creasey |
| John Warwick | Shipping |
| Ralph Truman | Blenkinsop |
| George Rose | Slob |
| Arthur Rigby | Chester |
| Ian Bannen | Workman |
| Maureen Davis | James |
| Joss Ambler | Shipping |
| Barry Keegan | Ward Patient |
| Alec McCowen | Surgeon |
| Harry Locke | Car Dealer |
| Nicholas Parsons | Susie Bates |
| Warwick Ashton | Theater Manager |
| Ursula Howells | Mrs. Dunn |
| David Davies | Welsh |
| Julie Milton | Welsh |
| John Welsh | White House Tour Guide |
| Meredith Edwards | Thomas |
| Harold Goodwin | Somerset |
| Gillian Webb | Housewife |
| Maureen Delaney | Drummond's Daily |
| Jameson Clark | Ogilvie |
| William Mervyn | Theater Manager |
| Vincent Ball | (uncredited) |
| Richard Davies | (uncredited) |
| Frazer Hines | (uncredited) |
| Stratford Johns | (uncredited) |
| David Lodge | (uncredited) |
| Guy Standeven | (uncredited) |
| Frederick Treves | Creasey |
| Peter Welch | CID |
| Martin Wyldeck | (uncredited) |
| Dennis Carnell | |
| Edward Cast | |
| Michael Collins | |
| Fred Davis | |
| Jack Dearlove | |
| Robert Gregory | |
| Fred Griffiths | |
| Patrick Halpin | |
| Aidan Harrington | |
| George Holdcroft | |
| Lindsay Hooper | |
| Arthur Howell | |
| Colin McKenzie | |
| Jack McNaughton | |
| Robert Moor | |
| Fred Nicholas | |
| John Paul | |
| Roy Purcell | |
| Charles Rayford | |
| Anthony Richmond | |
| Pat Ryan | |
| Philip Stewart | |
| Meadows White | |
| John Wilder | (uncredited) |
| Sonnie Wills |
Crew
| Gerard Schurmann | Original Music Composer |
| Gordon Dines | Director of Photography |
| Thomas N. Morahan | Associate Producer |
| Roy Gough | Still Photographer |
| Harry Frampton | Makeup Artist |
| Anthony Mendleson | Costume Design |
| Edward Carrick | Art Direction |
| Daphne Martin | Hairstylist |
| Charles Frend | Director |
| Robert Barr | Screenplay |
| Janet Green | Screenplay |
| Michael Balcon | Producer |
| Gordon Stone | Editor |