Date with Disaster. (1957 film).

The honest owner of a second hand car business has crooks for employees.

Tom Drake as Miles
William Hartnell as Tracey
Shirley Eaton as Sue
Maurice Kaufmann as Don
Michael Golden as Inspector Matthews
Richard Shaw as Ken
Charles Brodie as Charlie
Deidre Mayne as Judy
Peter Fontaine as Sergeant Brace
Robert Robinson as Young Man
John Drake as Constable Wilson
Robert J. Mooney as Sergeant
Van Boolen as Night Watchman