Ivan Locke

Tom Hardy

Eddie

Tom Holland

Katrina

Ruth Wilson

Donal

Andrew Scott

Sean

Bill Milner

Bethan (voice)

Olivia Colman

Sister Margaret

Alice Lowe

Gareth

Ben Daniels

Cassidy

Danny Webb

Doctor Gullu

Silas Carson

Gareth's Wife

Kirsty Dillon

PC Davids (voice)

Lee Ross

Director

Steven Knight