Ruth Wilson

Character: Alice Bell

Mark Stanley

Character: Joe Bell

Sean Bean

Character: Richard Bell

Esmé Creed-Miles

Character: Young Alice

Dean Andrews

Character: Matty

Joe Dempsie

Character: David

Mike Noble

Character: Rowan Spender

Aiden McCullough

Character: Young Joe

Shane Attwooll

Character: Tower

Steve Garti

Character: Jim

Una McNulty

Character: Susan Bell

Jonah Russell

Character: Pete

Paul Roberson

Character: Declan

Olivia Brennan

Character: Ellie

Ophelia Campbell

Character: Alice Bell as a child in a photo

Alfie Charlesworth

Character: Joe Bell as a child in a photo