Hugh Grant (The Prime Minister), Alan Rickman (Harry), Emma Thompson (Karen), Liam Neeson (Daniel), Martine McCutcheon (Natalie), Colin Firth (Jamie Bennett), Bill Nighy (Billy Mack) more..., Laura Linney (Sarah), Lúcia Moniz (Aurelia), Andrew Lincoln (Mark), Keira Knightley (Juliet), Chiwetel Ejiofor (Peter), Gregor Fisher (Joe), Martin Freeman (John), Joanna Page (Just Judy), Heike Makatsch (Mia), Thomas Brodie-Sangster (Sam), Kris Marshall (Colin Frissell), Rodrigo Santoro (Karl), Abdul Salis (Tony), Rowan Atkinson (Rufus, Jewellery Salesman), Rory MacGregor (Engineer), Sienna Guillory (Jamie's Girlfriend), Billy Bob Thornton (The US President), Lulu Popplewell (Daisy, Karen's Daughter), Olivia Olson (Joanna Anderson), Nina Sosanya (Annie), Frank Moorey (Terence, Who's in Charge), Jill Raymond (Pat the Housekeeper), Tim Hatwell (Vicar), Lynden David Hall (The Wedding Singer), Jont Whittington (Guitarist), Dan Fredenburgh (Jamie's Bad Brother), Julia Davis (Nancy the Caterer), Alan Barnes (Movie Director), Shaughan Seymour (Movie Cameraman), Helen Murton (Funeral Priest), Edward Hardwicke (Sam's Grandfather), Caroline John (Sam's Grandmother), Gemma Aston (Family Mourner) and others.

Richard Curtis (Screenplay), Tim Bevan (Producer), Eric Fellner (Producer), Duncan Kenworthy (Producer), Craig Armstrong (Original Music Composer), Nick Moore (Editor), Mary Selway (Casting) more..., Joanna Johnston (Costume Design), Jon Olive (Music Editor), Richard Conway (Special Effects), Adam Kirley (Stunts), Michael Coulter (Director of Photography), Jim Clay (Production Design), Mark 'Rocky' Evans (Electrician), Peter N. Brown (Supervising Carpenter), Michele Tandy (Finance), Liza Chasin (Co-Producer), Debra Hayward (Co-Producer), Chris Thompson (Line Producer), Fiona Weir (Casting), Patrícia Vasconcelos (Casting), Jonathan McKinstry (Supervising Art Director), Justin Warburton-Brown (Art Direction), Rod McLean (Art Direction), Caroline Smith (Set Decoration), Kate Benton (Makeup Artist), Graham Johnston (Makeup Designer), Graham Johnston (Hair Designer), Lorna McGowan (Makeup Artist), Nora Robertson (Makeup Artist), Laura McIntosh (Assistant Makeup Artist), Suzanne Belcher (Makeup Artist), Suzanne Belcher (Hair Designer), Tori Parry (Production Manager), Michelle Wright (Executive In Charge Of Production), Raphaël Benoliel (Production Manager), Deborah Harding (Post Production Supervisor), Tom Glaisyer (Third Assistant Director), Ben Howarth (Second Assistant Director), Gil Kenny (Assistant Director) and others.