Naomie Harris

Heather

Natalie Dormer

Carla

Dominic Allburn

Simon

Rupert Holliday-Evans

Jim

Jack Morris

Tel

Nadia Williams

Jane

Nikola Kent

"Logan"

Harrison Metcalfe

Young Heather and Carla's Schoolfriend

Evelyn Morris

School Student (uncredited)

Eire Farrell

School Bully (uncredited)