20 years later, the official sequel to TRAINSPOTTING is set to be released next year. The first teaser trailer to T2 has been revealed in the short clip above. The full original cast Renton (Ewan McGregor), Spud (Ewen Bremner), Sick Boy (Jonny Lee Miller) and Begbie (Robert Carlyle) reunite for the film directed by Danny Boyle. Check out the official teaser trailer above.