Liam Neeson Daniel
Billy Bob Thornton The US President
Elisha Cuthbert Carol-Anne, American Goddess
Rowan Atkinson Rufus, Jewellery Salesman
Keira Knightley Juliet
Arturo Venegas Mr. Anderson
Emma Thompson Karen
Thomas Brodie-Sangster Sam
Laura Linney Sarah
Colin Firth Jamie Bennett
Bill Nighy Billy Mack
Michael Parkinson Parky
Olga Fitzroy Assistant Sound Engineer
Richard Conway Special Effects, Special Effects Supervisor
Chiwetel Ejiofor Peter
Robin O'Donoghue Sound Re-Recording Mixer
John McGee Standby Carpenter
Martin Freeman John
Glenn Conroy Barman
Alan Rickman Harry
Julia Davis Nancy the Caterer
Hugh Grant The Prime Minister
Denise Richards Carla, the Real Friendly One
Ivana Miličević Stacey, American Dreamgirl
Lionel Selwyn Foley Artist
Sue Quinn Location Manager
January Jones Jeannie, American Angel
Perry Montague Mason Orchestrator
Brian Bovell Radio Watford DJ
John Sharian Wisconsin Taxi Driver
Peter Marinker US Expert
Nick Watson Dolby Consultant
Dan Fredenburgh Jamie's Bad Brother
Eamon McLoughlin Supervising Carpenter
Andrew Lincoln Mark
Christian Manz Visual Effects Compositor
Adam Godley Mr Trench
Rodrigo Santoro Karl
Ruby Turner Mrs. Jean Anderson
Sienna Guillory Jamie's Girlfriend
Meg Wynn Owen PM's Secretary
Raphaël Benoliel Production Manager
Camilla-Valentine Isola Casting
Shaughan Seymour Movie Cameraman
Richard Curtis Trombone Player (uncredited), Director, Screenplay
Martin Parry Driver
Frances de la Tour Lesbian Lover (uncredited)
Kris Marshall Colin Frissell
Sarah McDougall Receptionist
Nina Sosanya Annie
Shannon Elizabeth Harriet, the Sexy One
Anne Reid Headmistress (uncredited)
Nicholas Bucknall Musician
Rachel Bolt Musician
Tony Lucken Airport Guard
Steve Bohan Construction Manager
Nick Angel Music Supervisor
Heike Makatsch Mia
Martine McCutcheon Natalie
Nick Moore Editor
Jeanne Moreau Taxi Passenger at Marseille Airport (uncredited)
Matt Dunkley Orchestrator
Caroline John Sam's Grandmother
Tim Bevan Producer
Claudia Schiffer Carol
Bill Moody Natalie's Dad
John Palmer Camera Operator
Margery Mason Harris Street Old Lady
Phil Harvey Draughtsman
Edward Hardwicke Sam's Grandfather
Ben Crosby Painter
Kirsten Lane Music Consultant