Jonathan Rhys Meyers as Chris Wilton

Scarlett Johansson as Nola Rice

Emily Mortimer as Chloe Hewett Wilton

Matthew Goode as Tom Hewett

Brian Cox as Alec Hewett

Penelope Wilton as Eleanor Hewett

James Nesbitt as Detective Banner

Ewen Bremner as Inspector Dowd

Miranda Raison as Heather

Margaret Tyzack as Mrs. Eastby

Rupert Penry-Jones as Henry

Toby Kebbell as Policeman

Alexander Armstrong as Mr. Townsend

Paul Kaye as Estate Agent

Mark Gatiss as Ping-Pong Player

Simon Kunz as Rod Carver

Geoffrey Streatfeild as Alan Sinclair

John Fortune as John the Chauffeur

Anthony O'Donnell as Custodian

Rose Keegan as Carol

Zoe Telford as Samantha

Scott Handy as Hewetts' Friend

Selina Cadell as Margaret

Georgina Chapman as Nola's Co-Worker

Colin Salmon as Ian

Steve Pemberton as Detective Parry

Janis Kelly as 'La Traviata' Performer

Alan Oke as 'La Traviata' Performer

Emily Gilchrist as Hewetts' Friend

Philip Mansfield as Waiter

Mary Hegarty as "Rigoletto" Performer

Patricia Whymark as Telephone Operator

Eddie Marsan as Office Worker (uncredited)