Hugh Grant (The Prime Minister), Liam Neeson (Daniel), Alan Rickman (Harry), Emma Thompson (Karen), Bill Nighy (Billy Mack), Laura Linney (Sarah), Colin Firth (Jamie Bennett) more..., Martine McCutcheon (Natalie), Keira Knightley (Juliet), Andrew Lincoln (Mark), Chiwetel Ejiofor (Peter), Martin Freeman (John), Rowan Atkinson (Rufus, jewellery salesman), Thomas Brodie-Sangster (Sam), Rodrigo Santoro (Karl), Heike Makatsch (Mia), Lúcia Moniz (Aurelia), Gregor Fisher (Joe), Joanna Page (Just Judy), Kris Marshall (Colin Frissell), Adam Godley (Mr. Trench), 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), 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), 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.