Montgomery Clyde
Agatha Clyde
Young Millicent
Head Geographer
Stenographer
Aunt Lucy (voice)
Uncle Pastuzo (voice)
Paddington (voice)
Henry Brown
Mary Brown
Judy Brown
Jonathan Brown
Kindly Gentleman
Joe
Mrs. Bird
Tony
Grant
Millicent
Mr Curry
Underground Ticket Inspector
Dog Owner
Mr Gruber
Master Gruber
Master Gruber's Aunt
Andre the Thief
Policeman
Class Teacher
Pupil
Trader
Paddington Station Security Guard
Geographers' Guild Receptionist
Barry
Geographer (Present Day)
Buckingham Palace Sentry
Morgan Clyde
Desk Sergeant
Marjorie Clyde
Second Geographer
Third Geographer
Fourth Geographer
Fifth Geographer
Sixth Geographer
Natural History Museum Security Guard
Judge
Petting Zoo Keeper
Additional Voices (voice) (uncredited)
Team Leader (uncredited)
Commuter #1 (uncredited)
Security Guard (uncredited)
Police Officer (uncredited)
Motorcyclist (uncredited)
Woman (uncredited)
Commuter #3 (uncredited)
Professor (uncredited)
Station Blocker (uncredited)
Immigrant (uncredited)
Hungarian immigrant (uncredited)
Pedestrian (Passer by) (uncredited)
Portobello Market shopper (uncredited)
Trader (uncredited)
Paddington (voice) (uncredited)
Commuter #4 (uncredited)
Guard (uncredited)
Commuter #5 (uncredited)
Docker (uncredited)
Angel (uncredited)
Market Stall Owner (uncredited)
Geographer (uncredited)
Commuter #7 (uncredited)
Servant (uncredited)