- Stephen McCole
- Boab (segment "The Granton Star Cause")
- Maurice Roëves
- God (segment "The Granton Star Cause") / Drunk (segment "A Soft Touch") / Priest (segment "The Acid House")
- Garry Sweeney
- Kev (segment "The Granton Star Cause")
- Jenny McCrindle
- Evelyn (segment "The Granton Star Cause")
- Simon Weir
- Tambo (segment "The Granton Star Cause")
- Iain Andrew
- Grant (segment "The Granton Star Cause")
- Irvine Welsh
- Parkie (segment "The Granton Star Cause")
- Pat Stanton
- Barman (segment "The Granton Star Cause")
- Alex Howden
- Boab Snr (segment "The Granton Star Cause")
- Annie Louise Ross
- Doreen (segment "The Granton Star Cause")
- Dennis O'Connor
- PC Cochrane (segment "The Granton Star Cause")
- John Gardner
- Sgt. Morrison (segment "The Granton Star Cause")
- William Blair
- Workmate ("The Granton Star Case") / Deck ("A Soft Touch")
- Gary McCormack
- Workmate (segment "The Granton Star Cause") / Larry (segment "A Soft Touch")
- Malcolm Shields
- Workmate (segment "The Granton Star Cause")
- Stewart Preston
- Rafferty (segment "The Granton Star Cause")
- Kevin McKidd
- Johnny (segment "A Soft Touch")
- Michelle Gomez
- Catriona (segment "A Soft Touch")
- Tam Dean Burn
- Alec (segment "A Soft Touch")
- Scott Imrie
- Pool Player (segment "A Soft Touch")
- Niall Greig Fulton
- Alan (segment "A Soft Touch")
- Cas Harkins
- Skanko (segment "A Soft Touch") / Skanko (segment "The Acid House")
- Morgan Simpson
- Chantal, Baby (segment "A Soft Touch")
- Marnie Kidd
- Chantal, Toddler (segment "A Soft Touch")
- Alison Peebles
- Mother (segment "A Soft Touch")
- Joanne Riley
- Diana (segment "A Soft Touch")
- Sarah Gudgeon
- New Girl (segment "A Soft Touch")
- Katie Echlin
- Wendy (segment "A Soft Touch")
- William 'Giggs' McGuigan
- Pub Singer (segment "A Soft Touch")
- Ewen Bremner
- Colin 'Coco' Bryce (segment "The Acid House")
- Martin Clunes
- Rory (segment "The Acid House")
- Jemma Redgrave
- Jenny (segment "The Acid House")
- Arlene Cockburn
- Kirsty (segment "The Acid House")
- Jane Stabler
- Emma (segment "The Acid House")
- Doug Eadie
- Coco's Father (segment "The Acid House")
- Andrea McKenna
- Coco's Mother
- Billy McElhaney
- Felix the Paramedic (segment "The Acid House")
- Ricky Callan
- Tam the Driver (segment "The Acid House")
- Barbara Rafferty
- Dr. Callaghan (segment "The Acid House")
- Stephen Docherty
- Nurse Boyd (segment "The Acid House")
- Ronnie McCann
- Andy (segment "The Acid House")
- Kirsty Mitchell
- Julie
- Callum J. Stewart
- Football Player 1
