| Person | Type | Job | Role(s) |
|---|---|---|---|
 Anthony Mendleson | Crew | Costume & Make-Up | Costume Design |
Barbara Barnard | Crew | Costume & Make-Up | Hairdresser |
 Basil Dearden | Crew | Directing | Director |
Chic Waterson | Crew | Camera | Camera Operator |
Ernest Taylor | Crew | Costume & Make-Up | Makeup Artist |
Gordon Dines | Crew | Camera | Director of Photography |
Harry Frampton | Crew | Costume & Make-Up | Makeup Artist |
 Jack Whittingham | Crew | Writing | Screenplay |
Jim Morahan | Crew | Art | Art Direction |
 John Addison | Crew | Sound | Original Music Composer |
 John Eldridge | Crew | Writing | Screenplay |
Lionel Banes | Crew | Camera | Additional Director of Photography |
 Michael Balcon | Crew | Production | Producer |
 Michael Relph | Crew | Production | Associate Producer |
Peter Tanner | Crew | Editing | Editor |
Sydney Pearson | Crew | Crew | Special Effects |
Arthur Bradburn | Crew | Sound | Sound Recordist |
Jean Graham | Crew | Directing | Script Supervisor |
 Alfie Bass | Cast | Actor | Alf |
 Arthur Mullard | Cast | Actor | Seaman on the Dunbar (uncredited) |
Beckett Bould | Cast | Actor | The Murdered Watchman (uncredited) |
 Bonar Colleano | Cast | Actor | Dan MacDonald |
 Campbell Singer | Cast | Actor | Station Sgt. (uncredited) |
 Christopher Hewett | Cast | Actor | Mike |
David Davies | Cast | Actor | Officer on the Dunbar (uncredited) |
 Earl Cameron | Cast | Actor | Johnny Lambert |
Ellis Irving | Cast | Actor | Superintendent (uncredited) |
Eric Thompson | Cast | Actor | Garage Pump Attendant (uncredited) |
Frank Forsyth | Cast | Actor | Police Constable Witnessing Robbery (uncredited) |
Fred Griffiths | Cast | Actor | Sailor on Barge (uncredited) |
Frederick Treves | Cast | Actor | Detective at Bank (uncredited) |
 George Benson | Cast | Actor | George (uncredited) |
 George Merritt | Cast | Actor | Captain of Dunbar (uncredited) |
 Howard Lang | Cast | Actor | Detective Detaining Suspect (uncredited) |
 Ian Bannen | Cast | Actor | Garage attendant (uncredited) |
 Jack May | Cast | Actor | Sailor on the Dunbar (uncredited) |
James Liggat | Cast | Actor | Bit Part (uncredited) |
 James Robertson Justice | Cast | Actor | Engine Room Officer Trotter |
 Joan Dowling | Cast | Actress | Pamela, Maisie's sister |
 John Arnatt | Cast | Actor | Squad Car Officer (uncredited) |
John Boxer | Cast | Actor | Detective in Pub (uncredited) |
 John Longden | Cast | Actor | DI Williams |
 John Warwick | Cast | Actor | Inspector Jim Moss (uncredited) |
 Laurence Naismith | Cast | Actor | Commissionaire (uncredited) |
 Leslie Phillips | Cast | Actor | Harry |
Mae Bacon | Cast | Actress | Ethel the Barmaid |
 Mavis Villiers | Cast | Actress | Drinking Club Blonde (uncredited) |
 Max Adrian | Cast | Actor | Charlie Vernon - acrobat / George |
Meadows White | Cast | Actor | Alf - Theatre Performer (uncredited) |
Michael Corcoran | Cast | Sam (uncredited) | |
Michael Golden | Cast | Actor | Customs Officer Andrews |
 Michael Ward | Cast | Actor | Pianist (uncredited) |
 Moira Lister | Cast | Actress | Maisie |
 Renée Asherson | Cast | Actress | Sally |
Rowena Gregory | Cast | Actress | Mary (uncredited) |
 Russell Waters | Cast | Actor | Sgt. - River Police (uncredited) |
 Sam Kydd | Cast | Actor | 2nd Engineer (uncredited) |
 Susan Shaw | Cast | Actress | Pat |
 Victor Maddern | Cast | Actor | First Tram Conductor (uncredited) |
Dan Cressey | Cast | Customs Officer (uncredited) | |
Henry Webb | Cast | Speaking Extra (uncredited) | |
Arthur Cortez | Cast | Jock | |
George Spence | Cast | Pub Patron (uncredited) | |
Jack Sharp | Cast | Actor | Dock Worker (uncredited) |
Pat Hagan | Cast | Squad Car Officer (uncredited) | |
Paul Rich | Cast | Singer in Pub (uncredited) | |
| Person | Type | Job | Role(s) |
