(01 of18)
Open Image ModalEwan McGregor starred as Renton... (credit:c.Miramax/Everett/REX)
(02 of18)
Open Image Modal'Trainspotting' brought Ewan McGregor worldwide fame, and marked the start of a huge career in cinema. In the years since first playing heroin addict Mark Renton, Ewan has starred in 'Star Wars', 'The Impossible' and opposite Nicole Kidman in 'Moulin Rouge'. He's also a Unicef Ambassador and has supported the organisation since his 2004 fundraising trip. (credit:Roberto Ricciuti via Getty Images)
(03 of18)
Open Image ModalEwen Bremner starred as Spud... (credit:c.Miramax/Everett/REX)
(04 of18)
Open Image ModalScottish actor Ewen went on to star in 'Snatch' and 'Black Hawk Down'. He now has a daughter, who is named after a film director, and has a role in 2017 release 'Wonder Woman'. (credit:ANDY BUCHANAN via Getty Images)
(05 of18)
Open Image ModalShirley Henderson starred as Gail... (credit:Ron Galella via Getty Images)
(06 of18)
Open Image ModalShirley went on to star in another Irvine Welsh adaptation, appearing as Bunty in the 2013 film 'Filth'. Movie fans will also recognise her as Moaning Myrtle, from 'Harry Potter'. (credit:Joel Ryan/Invision/AP)
(07 of18)
Open Image ModalRobert Carlyle starred as Begbie... (credit:Everett Collection/REX)
(08 of18)
Open Image ModalThe year after 'Trainspotting', Robert went for something a little lighter, starring in the cheeky 'The Full Monty'. Since then, he's popped up on our screens a number of times, and began starring in the US TV show 'Once Upon A Time' in 2011. (credit:Anthony Harvey via Getty Images)
(09 of18)
Open Image ModalKelly Macdonald starred as Diane... (credit:Moviestore Collection/REX)
(10 of18)
Open Image ModalIn 2012, Kelly popped up in 'Anna Karenina', punctuating her four-year long, award-winning stint in 'Boardwalk Empire'. Her other credits include 'Gosford Park' and 'No Country For Old Men'. (credit:Charles Sykes/Invision/AP)
(11 of18)
Open Image ModalJonny Lee Miller starred as Sick Boy... (credit:c.Miramax/Everett/REX)
(12 of18)
Open Image ModalJonny married Angelina Jolie just weeks after 'Trainspotting' was released, however the couple split 18 months later. Ange still speaks favourably of the star, and insists that they remain friends. Career wise, Jonny hasn't done too shabbily at all, starring in films and venturing onto the West End stage and Broadway, in productions of 'Frankenstein' - for which he bagged an Olivier Award - and 'After Miss Julie'. (credit:Star Max/IPx)
(13 of18)
Open Image ModalIrvine Welsh wrote the book(!) and made a cameo as Mikey Forrester... (credit:Fred Duval via Getty Images)
(14 of18)
Open Image ModalIrvine continues to write novels, scripts and short stories. His 'Trainspotting' sequel 'Porno', cane out in 2002 and returned to the characters again for prequel 'Skagboys', which charted Renton's fall into addiction, in 2012. His 2016 novel 'The Blade Artist' tells the story of a reformed Frank Begbie living a new life in America. (credit:Anthony Harvey via Getty Images)
(15 of18)
Open Image ModalKevin McKidd starred as Tommy... (credit:Moviestore Collection/REX)
(16 of18)
Open Image ModalFrom 2008, Kevin's been a huge hit on the 'Grey's Anatomy'. Between 'Trainspotting' and landing the role of Dr. Owen Hurt, he scored roles in Ridley Scott's 'Kingdom Of Heaven', TV series 'Rome' and even lent his voice to a character in the game 'Call Of Duty'. (credit:Richard Shotwell/Invision/AP)
(17 of18)
Open Image ModalEileen Nicholas and James Cosmo starred as Mrs. and Mr. Renton... (credit:Moviestore Collection/REX)
(18 of18)
Open Image ModalEileen and James starred as Ewan's on-screen parents, and both actors are still in the entertainment industry. In 2011, Eileen popped up in an episode of 'Law And Order', and in 2016, she'll star as Ellie Frampton in the film 'Synced'. James has popped up in basically everything, including the reasonably well-known fantasy show 'Game Of Thrones' and 'Celebrity Big Brother'. (credit:Ruth Crafer/Duncan Bryceland/REX)