Ewen Bremner

Character: Coco Bryce

Kevin McKidd

Character: Johnny

Stephen McCole

Character: Boab

Jemma Redgrave

Character: Jenny

Martin Clunes

Character: Rory

Maurice Roëves

Character: God

Arlene Cockburn

Character: Kirsty

Michelle Gomez

Character: Catriona

Gary McCormack

Character: Larry

Jenny McCrindle

Character: Evelyn

Garry Sweeney

Character: Kev

Simon Weir

Character: Tambo

Niall Greig Fulton

Character: Alan

Malcolm Shields

Character: Workmate

Tam Dean Burn

Character: Alec

Irvine Welsh

Character: Parkie

Barbara Rafferty

Character: Doctor

Ronnie McCann

Character: Andy

Cas Harkins

Character: Skanko

Alison Peebles

Character: Johnny's Mother

Alex Howden

Character: Boab Snr

Annie Louise Ross

Character: Doreen

Billy McElhaney

Character: Felix, the Paramedic

Iain Andrew

Character: Grant

Dennis O'Connor

Character: PC Cochrane

John Gardner

Character: Sgt Morrison

Katie Echlin

Character: Wendy

Doug Eadie

Character: Coco's Father

Andrea McKenna

Character: Coco's Mother

Joanne Riley

Character: New Girl

Ricky Callan

Character: Tam the Driver

Stephen Docherty

Character: Nurse Boyd

Jane Stabler

Character: Emma

Pat Stanton

Character: Barman

Stewart Preston

Character: Rafferty