Hugh O'Conor as Graham Young

Antony Sher as Dr. Ernest Zeigler

Ruth Sheen as Molly

Roger Lloyd Pack as Fred

Charlotte Coleman as Winnie

Paul Stacey as Dennis

John Thomson as Nathan

Jack Deam as Mick

Charlie Creed-Miles as Berridge

Robert Demeger as Mr. Dexter

Tobias Arnold as Young Graham

Norman Caro as Mr. Goez

Dorothea Alexander as Mrs. Goez

Samantha Edmonds as Sue

Peter Pacey as Dickie Boone

Joost Siedhoff as Dr. Scott

Vilma Hollingbery as Aunty Panty

Frank Mills as Uncle Jack

Rupert Farley as Nurse Trent

Malcolm Sinclair as Dr. Triefus

Hazel Douglas as Edna

Arthur Cox as Ray

Jean Warren as Debra Smart

Simon Kunz as John

Frank Coda as Billy

Tim Potter as Simon

Cate Fowler as Social Services Woman

John Abbott as Chairman

David Savile as Chief Medical Inspector

Mark Chapman as Lab Student (uncredited)