Trainspotting has made superstars of Ewan McGregor, Kelly Macdonald, Robert Carlyle and Kevin McKidd.
Fans 4,000 miles away in Miami even recognise WELSH for his tiny cameo role as drug dealer Mikey Forrester.
But the flick's global success - taking a whopping £100million at the box office - is still a surprise to him.
He said: "I'm not really a curator of stuff like that. Once a book or a film is done, it's gone. "It's nice that people are still reading them and watching them, but you're always focused on the next thing or the thing you're currently doing."
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Where are they now? TRAINSPOTTING produced the most famous poster in British film history.
Kevin McKidd(TOMMY) missed the photoshoot because he was on holiday. He has gone on to star in sword-and-sandals epic Rome and plays hunky doc Owen Hunt in Grey's Anatomy.
Robert Carlyle FRANCIS 'FRANCO' BEGBIE: Carlyle, 49, has gone on to a string of hits.
He appeared in The Full Monty, James Bond flick The World Is Not Enough, The Beach and 28 Weeks Later.
He also played Dr Nicholas Rush in sci-fi show Stargate Universe and starred alongside Kiefer Sutherland in hit Sky1 show 24.
Kelly MacDonald DIANE COULTSON: Kelly is earning rave reviews in legendary director Martin Scorsese's new TV drama Boardwalk Empire.
The 34-year-old - who is married to Travis bass player Dougie Payne - also starred in Nanny McPhee.
She bagged an Oscar in No Country For Old Men and an EMMY for Girl In The Cafe.
Jonny Lee Miller SIMON 'SICK BOY' WILLIAMSON: Miller, 38, never reached the heights of playing Sick Boy again. A stream of films followed for Angelina Jolie's ex-hubby, but few were any good.
A rare highlight was his portrayal of cycling hero Graeme Obree in The Flying Scotsman. He was last seen on hit US show Dexter.
Ewen Bremner DANIEL 'SPUD' MURPHY: Bremner has hardly been out of work since playing speed addict Spud.
There were blockbusters like Pearl Harbour and Black Hawk Down and he will appear in thriller Perfect Sense this year.
He's been in BBC shows Dive, Spooks and One Night In Emergency.
Ewan McGregor MARK 'RENT BOY' RENTON: McGregor has become a Hollywood star. The 39-year-old shined in the Star Wars prequels, Black Hawk Down, Moulin Rouge and The Da Vinci Code sequel Angels & Demons.
But he does need a hit after recent flops I Love You Phillip Morris and The Men Who Stare At Goats