Robert Carlyle
Begbie / Begbie's Father
Anjela Nedyalkova
Veronika
James Cosmo
Renton's Father
Irvine Welsh
Mikey Forrester
Logan Gillies
Simon (aged 9)
Ben Skelton
Renton (aged 9)
Aiden Haggarty
Spud (aged 9)
Daniel Smith
Begbie (aged 9)
Elijah Wolf
Tommy (aged 9)
John Kazek
Tom (Rehab Group)
Charlie Hardie
Fergus (aged 9)
Tereza Dušková
Tourism Girl
Thierry Mabonga
Security Officer Wilson
Atta Yaqub
Medical Student
Christopher Douglas
Chris the Oracle
James McElvar
Simon (aged 20)
Connor McIndoe
Renton (aged 20)
Bryan Quinn
Man in Music Video
Ged Hanley
Social Club Band
Neil Thomson
Social Club Band
Margaret Davies
Social Club Singer
Alex Jackson
Social Club Singer
Phil Coppola
Boxing Instructor
Eileen Nicholas
Renton's Mother
Michael Shaw
Tommy (aged 20)
Russell Dunsmore
Hard Guy Driver
Edyta Szewczyk
Girl in Sauna
Christopher Mullen
Begbie (aged 20)
Hamish Haggerty
Young Renton
Daniel Jackson
Young Begbie
Svetlana Yancheva
Veronika's Mother
Blair Flucker
Club Patron (uncredited)
Adam James Johnston
Club Patron (uncredited)