Alyssa Foley

Jessica Barden

James

Alex Lawther

Gwen

Christine Bottomley

Todd Alan King

Josh Dylan

Phil

Steve Oram

Bonnie

Naomi Ackie

Leigh

Alexandria Riley

Little James

Jack Veal

Professor Clive Koch

Jonathan Aris

Franklin

Nigel Boyle

Tony

Navin Chowdhry

Miss Sharpe

Susannah Doyle

DC Teri Darego

Wunmi Mosaku

Homeowner

Tilly Gaunt

DC Eunice Noon

Gemma Whelan

Little Alyssa

Holly Beechey

Diner Customer

Daniel Joseph Woolf

Rita

Polly Kemp

Topher

Alex Sawyer

Vanessa

Kelly Harrison

Stella

Eileen Davies

Debbie

Kierston Wareing

Leslie

Barry Ward

Angela

Margaret Ann Bain

Kelly

Emma Appleton

Diner Waitress

Juliet Cowan

Director

Lucy Tcherniak