Renée Zellweger (Bridget Jones), Colin Firth (Mark Darcy), Patrick Dempsey (Jack Qwant), Jim Broadbent (Mr. Colin Jones), Gemma Jones (Mrs. Pamela Jones), Emma Thompson (Dr. Rawlings), Sally Phillips (Sharon "Shazza") more..., James Callis (Tom), Shirley Henderson (Jude), Sarah Solemani (Miranda), Neil Pearson (Richard Finch), Kate O'Flynn (Alice Peabody), Celia Imrie (Una Alconbury), Jessica Hynes (Magda), Julian Rhind-Tutt (Fergus), Ben Willbond (Giles), Joanna Scanlan (Cathy - Make Up Lady), Enzo Cilenti (Gianni), Ed Sheeran (Himself), Tom Rosenthal (Josh), Beattie Edmondson (Laura), Erron Gordon (Breakfast TV Show Director), Patrick Malahide (George Wilkins), Laura Checkley (Susan - Floor Manager), Agni Scott (Camilla), Darren Boyd (Jeremy), Dolly Wells (Woney), Nick Mohammed (Ariyaratna), Paul Bentall (Minister), Ashley McGuire (Midwife), Souad Faress (Judge), Aiste S. Gram (Girl Band Member #1), Katarzyna Kołeczek (Girl Band Member #2), Maria Alexe (Girl Band Member #3), Cathy Murphy (Cashier), Richard Rycroft (Election Official), Donald Douglas (Admiral Darcy), Shirley Dixon (Mrs Darcy), James Faulkner (Uncle Geoffrey), Dominic Coleman (Village Hall Photographer) and others.

Helen Fielding (Screenplay), Emma Thompson (Screenplay), John Paul Kelly (Production Design), Dan Mazer (Writer), Tim Bevan (Producer), Eric Fellner (Producer), Craig Armstrong (Original Music Composer) more..., Andrew Dunn (Director of Photography), Debra Hayward (Producer), Liza Chasin (Executive Producer), Helen Fielding (Executive Producer), Melanie Oliver (Editor), Jane Robertson (Co-Producer), Amelia Granger (Executive Producer), Kirsten Lane (Music Consultant),