Ben Whishaw

Paddington Brown (voice)

Michael Gambon

Uncle Pastuzo (voice)

Imelda Staunton

Aunt Lucy (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

Hugh Grant

Phoenix Buchanan

Peter Capaldi

Reginald Curry

Jim Broadbent

Samuel Gruber

Simon Farnaby

Barry

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

Catherine Shepherd

Nelson's Mother

Claire Keelan

Police Officer

Meera Syal

Prosecutor

Emeson Nwolie

Double Bass Bob

Nicholas Lumley

Farmer Jack

Deepak Anand

Mad Dog

Cal McCrystal

Sir Geoffrey Wilcott

Aaron Neil

Spoon

Tom Davis

T-Bone

Jamie Demetriou

The Professor

Justin Edwards

Dozy Policeman

Tim Fitzhigham

Magician

Joel Fry

Postman

Gus Brown

St. Paul's Tour Guide

Hiten Patel

Office Executive (uncredited)

Jag Patel

Prisoner (uncredited)

Paul King

Writing

Paul King

Directing

Simon Farnaby

Writing

Jonathan Amos

Editing

Michael Bond

Writing

Jo McLaren

Crew

Chris Upson

Visual Effects