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

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