Mona Lisa (1986)

George is a small-time crook just out of prison who discovers his tough-guy image is out of date. Reduced to working as a minder/driver for high class call girl Simone, he has to agree when she asks him to find a young colleague from her King's Cross days. That's when George's troubles just start. Starring Bob Hoskins (Brazil, Who Framed Roger Rabbit, Mrs. Henderson Presents).