Jonathan Rhys Meyers

Character: Chris Wilton

Scarlett Johansson

Character: Nola Rice

Emily Mortimer

Character: Chloe Hewett Wilton

Matthew Goode

Character: Tom Hewett

Brian Cox

Character: Alec Hewett

Penelope Wilton

Character: Eleanor Hewett

James Nesbitt

Character: Detective Banner

Ewen Bremner

Character: Inspector Dowd

Miranda Raison

Character: Heather

Margaret Tyzack

Character: Mrs. Eastby

Rupert Penry-Jones

Character: Henry

Toby Kebbell

Character: Policeman

Alexander Armstrong

Character: Mr. Townsend

Paul Kaye

Character: Estate Agent

Mark Gatiss

Character: Ping-Pong Player

Simon Kunz

Character: Rod Carver

Geoffrey Streatfeild

Character: Alan Sinclair

John Fortune

Character: John the Chauffeur

Anthony O'Donnell

Character: Custodian

Rose Keegan

Character: Carol

Zoe Telford

Character: Samantha

Scott Handy

Character: Hewetts' Friend

Selina Cadell

Character: Margaret

Georgina Chapman

Character: Nola's Co-Worker

Colin Salmon

Character: Ian

Steve Pemberton

Character: Detective Parry

Janis Kelly

Character: 'La Traviata' Performer

Alan Oke

Character: 'La Traviata' Performer

Emily Gilchrist

Character: Hewetts' Friend

Philip Mansfield

Character: Waiter

Mary Hegarty

Character: "Rigoletto" Performer

Patricia Whymark

Character: Telephone Operator

Eddie Marsan

Character: Office Worker (uncredited)