Aneurin Barnard

William

Orion Lee

Lawrence

Stephen Fry

Executive Producer

Tom Wilkinson

Leslie

Velibor Topic

Ivan

Christopher Eccleston

Harvey

Eileen Nicholas

Trish

Harry Collett

William Age 10

Andy Mayson

Executive Producer

Nigel Lindsay

Brian

Marion Bailey

Penny

Keir Charles

William's Dad

Mike Runagall

Executive Producer

Freya Mavor

Ellie

Carol MacReady

Celia

Gethin Anthony

Charlie

Parth Thakerar

Detective Bryant

James Kermack

Dimitri

Emma Campbell-Jones

William's Mum

Marcia Warren

Margaret

Neelam Bakshi

Mrs. Rehmann

Tim Steed

Michael

Nathalie Buscombe

Anne

Cecilia Noble

Wendy

Gioacchino Jim Cuffaro

Cafe owner

Mark Penfold

Clive

Ashton Henry-Reid

Sam

Tom Edmunds

Director

Gina Carter

Executive Producer