Ben Whishaw (Paddington Brown (voice)), Sally Hawkins (Mary Brown), Hugh Bonneville (Henry Brown), Madeleine Harris (Judy Brown), Samuel Joslin (Jonathan Brown), Julie Walters (Mrs. Bird), Hugh Grant (Phoenix Buchanan) more..., Imelda Staunton (Aunt Lucy (voice)), Brendan Gleeson (Knuckles McGinty), Jim Broadbent (Samuel Gruber), Peter Capaldi (Reginald Curry), Ben Miller (Colonel Lancaster), Jessica Hynes (Miss Kitts), Michael Gambon (Uncle Pastuzo (voice)), Noah Taylor (Phibs), Tom Davis (T-Bone), Aaron Neil (Spoon), Tom Conti (Judge Gerald Biggleswade), Sanjeev Bhaskar (Dr. Jafri), Joanna Lumley (Felicity Fanshaw), Kobna Holdbrook-Smith (Warden Walker), Simon Farnaby (Barry), Richard Ayoade (Forensic Investigator), Nicholas Woodeson (Insurance Company CEO), Eileen Atkins (Madame Kozlova), Marie-France Alvarez (Mademoiselle Dubois), 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), Virgile Elana (Charlie Rumble), Emeson Nwolie (Double Bass Bob) 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.