Tim Roth

as Martin Simmonds

Clive Owen

as Dovidl Rapoport

Catherine McCormack

as Helen Simmonds

Suzy Eddie Izzard

as Radio Presenter

Saul Rubinek

as Feinman

Jonah Hauer-King

as Dovidl 17-23

Gerran Howell

as Martin 17-21

Luke Doyle

as Dovidl 9-13

Misha Handley

as Martin 9-13

François Girard

Director