Sean Pertwee

The Janitor

Dominique Pinon

Detective Ringwald

Lois Winstone

Kirsty

Jennifer Lim

Samantha

Rick Warden

Mr. Dale

Sean Brosnan

Nelson

Oscar Pearce

The Clown

Chris Barrie

Headmaster / Samantha's Father

Lucy Barker

Miss Nibb

Shaun Hutson

Daniel's Stepdad

Victoria Aitken

Jane

Gemma Chan

Molly Nelson

Marysia Kay

Alice

Rebecca Summers

Laura

Johannes Roberts