Robbie Coltrane as Jack Lennox QC

Celia Imrie as Gail Forrester

Neil Dudgeon as ACC Brian Richards

Vincent Regan as Det. Sgt. Jim Townsend

John McGlynn as Crawford Hennessy-Boyd

Graham Crowden as Lord Belford

Mathew Zajac as John Baresci (as Matthew Zajac)

Gary McCormack as Davie Dargo

Martha Leishman as Cathy Townsend

Louise Beattie as Deirdre McIntyre

Georgina Sowerby as Leslie Galbraith

Felix Dexter as Alvin Thorsen

Iain Agnew as Lord Breadalbane

Sharon MacKenzie as Kirsty Hennessy-Boyd

Frank Miller as James 'Jam Jar' McCauslan

Eddie O'Connell as Tommy Pargeter

Steve Speirs as Darren Westcoate

Rab Affleck as McKelvie