| Sid James (as Sidney James) |
Sergeant Frank Wilkins |
| Eric Barker |
Inspector Mills |
| Kenneth Connor |
Constable Charlie Constable |
| Charles Hawtrey |
Special Constable Timothy Gorse |
| Kenneth Williams |
Constable Stanley Benson |
| Leslie Phillips |
Constable Tom Potter |
| Joan Sims |
Policewoman Gloria Passworthy |
| Hattie Jacques |
Desk Sergeant Laura Moon |
| Shirley Eaton |
Sally Barry |
| Cyril Chamberlain |
Constable Thurston |
| Joan Hickson |
Mrs. May |
| Irene Handl |
Distraught Woman |
| Terence Longdon |
Herbert Hall |
| Jill Adams |
Policewoman Harrison |
| Freddie Mills |
First Crook |
| Brian Oulton |
Shop Manager |
| Victor Maddern |
Criminal Type |
| Joan Young |
Suspect |
| Esma Cannon |
Deaf Old Lady |
| Hilda Fenemore |
Agitated Woman |
| Noel Dyson |
Vague Woman |
| Tom Gill |
1st Citizen |
| Frank Forsyth |
4th Citizen |
| John Antrobus |
5th Citizen |
| Robin Ray |
Assistant Manager |
| Michael Balfour |
Matt |
| Diane Aubrey |
Honoria |
| Ian Curry |
Eric |
| Mary Law |
1st Shop Assistant |
| Lucy Griffiths |
Miss Horton |
| Eric Corrie |
3rd Citizen |
| Peter Bennett |
Passer-by |
| Jack Taylor |
Cliff |
| Eric Boon |
Shorty |
| Dorinda Stevens |
Young Woman |
| Tom Cubitt |
Jeweller |
| Alfred Pim |
News Vendor |
| Margaret St. Barbe West |
2nd Shop Assistant |
| Janetta Lake |
Girl with Dog |
| Paul Cole |
Barrow Boy |
