Rachel Weisz
Petula

Susan Lynch
Dorothy

Iain Glen
Tony

Jake D'Arcy
Train Guard

Tom Mannion
Brian McMinn

Maurice Roëves
Ronnie McMinn

Pauline Lynch
Sheena

Alex Norton
Det Insp Hepburn

Ron Donachie
Police Pathologist

Joel Strachan
Sergeant Binnie

John Murtagh
Man on Beach

Paul Doonan
Man in Lift

Shane Cadzow
Small Boy on Beach

Juliet Cadzow
Mother on Beach

Stewart Preston
Duty Sergeant

Stuart Hepburn
Policeman on Bridge

Paul Higgins
Aidan

Ellie Haddington
Maureen

Storm
Pluto the Dog