Jonny Lee Miller
— Cameron Colley
Brian Cox
— Inspector McDunn
Keeley Hawes
— Yvonne
Paul Higgins
— Andy
Bill Paterson
— Wallace Byatt
Alex Norton
— Kenny Garnet
Rachael Stirling
— Claire
Andy Gray
— D.S. Flavell
Richard Madden
— Young Andy
John Murtagh
— Norrie
Paul Young
— Frank
Jason Hetherington
— William
Samuel West
— Neil
Valerie Edmond
— Josephine Boyle
Stephen McCole
— Al
Alex Purves
— Persimmon
Graham De Banzie
— Archie McLeod
Michael MacKenzie
— Baine
Angie Adler
— Kate
Gary McCormack
— Howie
Katy Hale
— Librarian
Gordon Munro
— Interrogator 1
Ford Kiernan
— Interrogator 2
William McBain
— Molester