Rollebesetning

• Ewan McGregor — Mark "Rent Boy" Renton
• Ewen Bremner — Daniel "Spud" Murphy
• Jonny Lee Miller — Simon "Sick Boy" Williamson
• Robert Carlyle — Francis "Franco" Begbie
• Kevin McKidd — Thomas "Tommy" MacKenzie
• Kelly Macdonald — Diane
• Peter Mullan — Swanney "Mother Superior"
• Susan Vidler — Allison
• James Cosmo — Mr. Renton
• Shirley Henderson — Gail Houston
• Stuart McQuarrie — Gavin Temperley
• Irvine Welsh — Mikey Forrester
• Kevin Allen — Andreas
• Keith Allen — Dealer
• Dale Winton — Game Show Host
• Eddie Nestor — Estate Agent
• Kate Donnelly — Woman
• Hugh Ross — Man