English unlicensed boxer, bouncer, bodyguard and businessman Lenny McLean also worked in few films and television projects. In 1980, he worked in the short film ‘Box On’ and in 1990 appeared in a small uncredited role of the ringside spectator in Peter Medak’s biographical crime drama film ‘The Krays’. Following this, in 1996- 1997, he was seen in the role of gangster Eddie Davies in the second and third series of the ITV's crime drama series ‘The Knock’. In 1997, he played the minor role of Police Chief in Luc Besson's sci-fi action-adventure film 'The Fifth Element'.
The role that Lenny McLean became most known for was Guy Ritchie's black comedy crime film ‘Lock, Stock and Two Smoking Barrels’. The film, in which he played the role of enforcer Barry the Baptist, released in the year 1998 and earned favourable reviews from critics. The film was a big success at the box office too. He died shortly before the film’s release. Guy Ritchie dedicated the film to him.
In the year 2000, a television documentary – ‘Bounce: Behind The Velvet Rope’ – about the nightclub bouncers featured Lenny McLean prominently.