Ewan McGregor as Jasper Black

Michelle Williams as Young Mother

Matthew Macfadyen as Terrance

Nicholas Gleaves as Lenny

Sidney Johnston as The Boy

Usman Khokhar as The Bomber's Son

Sasha Behar as The Bomber's Wife

Ed Hughes as Danny Walsh

Alibe Parsons as Pearl

Stewart Wright as Charlie

Nicholas Courtney as Archbishop of Canterbury