Jamie Sives
— Wilbur
Adrian Rawlins
— Harbour
Shirley Henderson
— Alice
Lisa McKinlay
— Mary
Mads Mikkelsen
— Horst
Julia Davis
— Moira
Susan Vidler
— Sophie
Lorraine McIntosh
— Ruby
Gordon Brown
— Wayne
Mhairi Morrison
— Claire
Andrew Townsley
— Doctor
Coral Preston
— Jenny
Colin McAllister
— Supervisor
Owen Gorman
— Porter
Elaine MacKenzie Ellis
— Suicide Patient 2
John Yule
— Alan’s Father
Robert McIntosh
— Taylor
Nick Smith
— Dr. Robert McElung (uncredited)