Derek Jacobi

Sidney Turtlebaum

Rupert Evans

Gabriel

Cavan Clerkin

Father

Katie Lyons

Mother

Romy Baskerville

Valerie

Lin Blakley

Brenda

Francesca Marie Claire

Frankie

Lily Howard

Sidney's Sister

Tom Howard

Young Sidney

Saul Issroff

Rabbi

Margaret Stallard

Elderly Woman

Tristram Shapeero