Hugh Grant (The Prime Minister), Colin Firth (Jamie Bennett), Emma Thompson (Karen), Alan Rickman (Harry), Liam Neeson (Daniel), Bill Nighy (Billy Mack), Laura Linney (Sarah) more..., Rowan Atkinson (Rufus, jewellery salesman), Keira Knightley (Juliet), Andrew Lincoln (Mark), Martine McCutcheon (Natalie), Martin Freeman (John), Joanna Page (Just Judy), Kris Marshall (Colin Frissell), Heike Makatsch (Mia), Lúcia Moniz (Aurelia), Thomas Brodie-Sangster (Sam), Chiwetel Ejiofor (Peter), Gregor Fisher (Joe), Rodrigo Santoro (Karl), Elisha Cuthbert (Carol-Anne), January Jones (Jeannie), Shannon Elizabeth (Harriet - the Sexy One), Denise Richards (Carla - the Real Friendly One), Nina Sosanya (Annie), Billy Bob Thornton (The US President), Claudia Schiffer (Carol), Lulu Popplewell (Daisy), Olivia Olson (Joanna), Sienna Guillory (Jamie's Girlfriend), Dan Fredenburgh (Jamie's Bad Brother), Sheila Allen (Jamie's mum), Rory MacGregor (Engineer), Carla Vasconcelos (Sophia Barros), Tim Hatwell (Vicar), Frank Moorey (Terence - Who's in Charge), Jill Raymond (Pat the Housekeeper), Lynden David Hall (The Wedding Singer), The Big Blue (Church Musicians), Jont Whittington (Guitarist) 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), Adam Levine (Music), Jim Clay (Production Design), Mark 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) and others.