Hugh Grant
Role: The Prime Minister
Martine McCutcheon
Role: Natalie
Colin Firth
Role: Jamie Bennett
Bill Nighy
Role: Billy Mack
Keira Knightley
Role: Juliet
Chiwetel Ejiofor
Role: Peter
Joanna Page
Role: Just Judy
Thomas Brodie-Sangster
Role: Sam
Kris Marshall
Role: Colin Frissell
Rodrigo Santoro
Role: Karl
Rowan Atkinson
Role: Rufus, Jewellery Salesman
Rory MacGregor
Role: Engineer
Sienna Guillory
Role: Jamie's Girlfriend
Billy Bob Thornton
Role: The US President
Lulu Popplewell
Role: Daisy, Karen's Daughter
Olivia Olson
Role: Joanna Anderson
Frank Moorey
Role: Terence, Who's in Charge
Jill Raymond
Role: Pat the Housekeeper
Lynden David Hall
Role: The Wedding Singer
Jont Whittington
Role: Guitarist
Dan Fredenburgh
Role: Jamie's Bad Brother
Julia Davis
Role: Nancy the Caterer
Alan Barnes
Role: Movie Director
Shaughan Seymour
Role: Movie Cameraman
Helen Murton
Role: Funeral Priest
Edward Hardwicke
Role: Sam's Grandfather
Caroline John
Role: Sam's Grandmother
Gemma Aston
Role: Family Mourner
Matt Harvey
Role: Family Mourner
Adrian Preater
Role: Family Mourner
Joanna Thaw
Role: Family Mourner
Junior Simpson
Role: Wedding DJ
Brian Bovell
Role: Radio Watford DJ
Sarah McDougall
Role: Receptionist
Marcus Brigstocke
Role: Mikey, DJ Interviewer
Richard Hawley
Role: Alex, Deputy Prime Minister
Wyllie Longmore
Role: Jeremy
Gillian Barge
Role: Cabinet Minister
Richard Cotton
Role: Cabinet Minister
Kate Bowes Renna
Role: Cabinet Minister
Kate Glover
Role: Cabinet Minister
Nicola McRoy
Role: Cabinet Minister
Anthony McPartlin
Role: Ant
Elisabeth Margoni
Role: Eleonore
Peter Marinker
Role: US Expert
Keir Charles
Role: Press Conference Reporter
Doraly Rosen
Role: Press Conference Reporter
Meg Wynn Owen
Role: PM's Secretary
Carol Carey
Role: Natalie's Replacement
Sarah Atkinson
Role: Billy's Video Vixen
Clare Bennett
Role: Billy's Video Vixen
Sarah Holland
Role: Billy's Video Vixen
Vicki Murdoch
Role: Billy's Video Vixen
Meredith Ostrom
Role: Billy's Video Vixen
Katherine Poulton
Role: Billy's Video Vixen
Tuuli Shipster
Role: Billy's Video Vixen
Michael Parkinson
Role: Parky
Michael Fitzgerald
Role: Michael, Sarah's Brother
Ciaran O'Driscoll
Role: Hospital Patient
William Wadham
Role: Bernie, Karen's Son
Catia Duarte
Role: Language Student
Igor Urdenko
Role: Language Student
Nat Udom
Role: Language Student
Ines Boughanmi
Role: Language Student
Yuk Sim Yau
Role: Language Student
John Sharian
Role: Wisconsin Taxi Driver
Ivana Miličević
Role: Stacey, American Dreamgirl
January Jones
Role: Jeannie, American Angel
Elisha Cuthbert
Role: Carol-Anne, American Goddess
Wes Butters
Role: Radio 1 Chart Show DJ
Laura Rees
Role: Record Company Executive
Emma Buckley
Role: Jamie's Sister
Sheila Allen
Role: Jamie's Mum
Terry Reece
Role: PM's Chauffeur, Terry
Colin Coull
Role: PM's Bodyguard, Gavin
Margery Mason
Role: Harris Street Old Lady
Katharine Bailey
Role: Harris Street Little Girl
Tiffany Boysell
Role: Her Friend
Georgia Flint
Role: Her Friend
Joanna Bacon
Role: Natalie's Mum
Bill Moody
Role: Natalie's Dad
Billy Campbell
Role: Natalie's Octopus Brother
Paul Slack
Role: John's Brother
Adam Godley
Role: Mr Trench
Ruby Turner
Role: Mrs. Jean Anderson
Amanda Garwood
Role: Backing-singer Teacher
Arturo Venegas
Role: Mr. Anderson
Claudia Schiffer
Role: Carol
Patrick Delaney
Role: Tommy, Carol's Son
Helder Costa
Role: Mr. Barros
Carla Vasconcelos
Role: Sophia Barros
Stewart Howson
Role: Airport Gate Man
Jamie Edgell
Role: Airport Guard
Dave Fisher
Role: Airport Guard
Paul Heasman
Role: Airport Guard
Tony Lucken
Role: Airport Guard
Raul Atalaia
Role: Restaurant Proprietor
Shannon Elizabeth
Role: Harriet, the Sexy One
Denise Richards
Role: Carla, the Real Friendly One
Richard Curtis
Role: Trombone Player (uncredited)
Frances de la Tour
Role: Lesbian Lover (uncredited)
Rebecca Frayn
Role: Joanna (Daniel's Dead Wife) (uncredited)
Kelly Michelle Gray
Role: Journalist (uncredited)
Nia Jermin
Role: Head Chorister (uncredited)
Jeanne Moreau
Role: Taxi Passenger at Marseille Airport (uncredited)
Deanna Mustard
Role: Airport Attendant (uncredited)
Anne Reid
Role: Headmistress (uncredited)
Fiona Thompson
Role: Passenger Arriving at Airport (uncredited)
