Adam Godley character Mr. Trench
Hugh Grant character The Prime Minister
Heike Makatsch character Mia
Alan Rickman character Harry
Colin Firth character Jamie Bennett
Emma Thompson character Karen
Liam Neeson character Daniel
Bill Nighy character Billy Mack
Laura Linney character Sarah
Rowan Atkinson character Rufus, jewellery salesman
Keira Knightley character Juliet
Andrew Lincoln character Mark
Martine McCutcheon character Natalie
Martin Freeman character John
Joanna Page character Just Judy
Kris Marshall character Colin Frissell
Lúcia Moniz character Aurelia
Thomas Brodie-Sangster character Sam
Chiwetel Ejiofor character Peter
Gregor Fisher character Joe
Rodrigo Santoro character Karl
Elisha Cuthbert character Carol-Anne
January Jones character Jeannie
Shannon Elizabeth character Harriet - the Sexy One
Denise Richards character Carla - the Real Friendly One
Nina Sosanya character Annie
Billy Bob Thornton character The US President
Claudia Schiffer character Carol
Lulu Popplewell character Daisy
Olivia Olson character Joanna
Sienna Guillory character Jamie's Girlfriend
Dan Fredenburgh character Jamie's Bad Brother
Sheila Allen character Jamie's mum
Rory MacGregor character Engineer
Carla Vasconcelos character Sophia Barros
Tim Hatwell character Vicar
Frank Moorey character Terence - Who's in Charge
Jill Raymond character Pat the Housekeeper
Lynden David Hall character The Wedding Singer
Jont Whittington character Guitarist
Julia Davis character Nancy the Caterer
Edward Hardwicke character Sam's Grandfather
Caroline John character Sam's Grandmother
Richard Hawley character Alex - Deputy Prime Minister
Ivana Miličević character Stacey
Marcus Brigstocke character Mikey
Anthony McPartlin character Ant
Declan Donnelly character Dec
Joanna Bacon character Natalie's Mum
Bill Moody character Natalie's Dad
Laura Rees character Record Company Executive
Nancy Sorrell character Greta
Elisabeth Margoni character Eleonore
Jo Whiley character Radio DJ
Brian Bovell character Radio Watford DJ
Michael Parkinson character Himself
Meg Wynn Owen character PM's Secretary
Michael FitzGerald character Michael - Sarah's Brother
William Wadham character Bernie - Karen's son
Colin Coull character PM's Bodyguard - Gavin
Margery Mason character Harris Street Old Lady
Ruby Turner character Jean Anderson - Joanna's Mum
Arturo Venegas character Mr Anderson
Helder Costa character Mr Barros
Jeanne Moreau character Taxi Passenger Marseille Airport (uncredited)
Raul Atalaia character Restaurant Proprietor
