Paddington Brown (voice)

Ben Whishaw

Joe the Postman

Joel Fry

Henry Brown

Hugh Bonneville

Mr. Barnes

Robbie Gee

Dr. Jafri

Sanjeev Bhaskar

Mary Brown

Emily Mortimer

Colonel Lancaster

Ben Miller

Reverend Mother

Olivia Colman

Jonathan Brown

Samuel Joslin

Miss Kitts

Jessica Hynes

Hunter Cabot

Antonio Banderas

Judy Brown

Madeleine Harris

Gina Cabot

Carla Tous

Aunt Lucy (voice)

Imelda Staunton

Mrs. Bird

Julie Walters

Student Rep

Ella Dacres

Madison

Hayley Atwell

Samuel Gruber

Jim Broadbent

Mr. Smith - Henry Colleague #2

Ashleigh Reynolds

Madison's Assistant

Aloreia Spencer

Photo Booth (voice)

Oliver Maltman

Mr. Wilson (Henry Colleague #1)

Nicholas Burns

Zayden

Amit Shah

Barry the Air Steward

Simon Farnaby

Passport Control Officer

Carlos Carlín

Carlos the Taxi Bus Driver

Orlando Estrada

Rosita

Ella Bruccoleri

Bingo Nun

Diana Payan

Young Hunter

Vicente Wallenstein

Elderly Resident Bear 3 (voice)

Emma Sidi

Hippy Clarissa

Sarah Twomey

Phoenix Buchanan

Hugh Grant