Ben Whishaw (Paddington Brown (voice)), Hugh Bonneville (Henry Brown), Sally Hawkins (Mary Brown), Samuel Joslin (Jonathan Brown), Madeleine Harris (Judy Brown), Julie Walters (Mrs. Bird), Brendan Gleeson (Knuckles McGinty) more..., Hugh Grant (Phoenix Buchanan), Peter Capaldi (Reginald Curry), Jim Broadbent (Samuel Gruber), Simon Farnaby (Barry), Imelda Staunton (Aunt Lucy (voice)), Michael Gambon (Uncle Pastuzo (voice)), Ben Miller (Colonel Lancaster), Sanjeev Bhaskar (Dr. Jafri), Joanna Lumley (Felicity Fanshaw), Richard Ayoade (Forensic Investigator), Nicholas Woodeson (Insurance Company CEO), Tom Conti (Judge Gerald Biggleswade), Eileen Atkins (Madame Kozlova), Marie-France Alvarez (Mademoiselle Dubois), Jessica Hynes (Miss Kitts), Noah Taylor (Phibs), Shola Adewusi (First Ms. Peters), Nadine Marshall (Second Ms. Peters), Michael Mears (Clerk of Court), Louis Partridge (G-Man), Robbie Gee (Mr. Barnes), Enzo Squillino Jr. (Mr. Giuseppe), Sam Payne (Nelson), Catherine Shepherd (Nelson's Mother), Claire Keelan (Police Officer), Meera Syal (Prosecutor), Geoffrey Lumb (Second Police Officer), Alex Jordan (Steve Visby), Kobna Holdbrook-Smith (Warden Walker), Virgile Elana (Charlie Rumble), Emeson Nwolie (Double Bass Bob), Nicholas Lumley (Farmer Jack), Stephen McDade (Johnny Cashpoint) and others.

David Heyman (Producer), Lindy Hemming (Costume Design), Dario Marianelli (Original Music Composer), Nina Gold (Casting), Gary Williamson (Production Design), Erik Wilson (Director of Photography), Paul King (Screenplay) more..., Simon Farnaby (Screenplay), Jonathan Amos (Editor), Gareth Cousins (Art Direction), Michael Bond (Characters), Patrick Rolfe (Supervising Art Director), Muffin Green (Property Master), James Price (Art Direction), Anna Worley (Script Supervisor), Tim Grover (Post Production Supervisor), Mark Everson (Editor), Dan Crandon (Construction Manager), Oliver Benson (Assistant Art Director), Jo McLaren (Stunt Coordinator), Cathy Cosgrove (Set Decoration), Andrea Borland (Art Direction), Lauren Evans (Casting), Timothy Everest (Costume Design), Jack Ravenscroft (First Assistant Director), Julian Nix (Graphic Designer), Chris Upson (Visual Effects), Roy Bell (Camera Trainee), Aleksandar Kolev (Animation), Lucy-Jayne Murray (Stunt Double), John Farrall-Miles (Third Assistant Director), Glenn Freemantle (Sound Designer), Alexander T.H. Browne (VFX Artist), Will Smith (Additional Writing), Gillian Dodders (ADR Editor), Peter Burgis (Foley Artist), Josh Yudkin (Location Scout), Aaron Davis (Carpenter), Tarn Harper (Post Production Accountant), Richard Symons (Prop Maker) and others.