Dick Van Dyke
as Caractacus Potts

Sally Ann Howes
as Truly Scrumptious

Lionel Jeffries
as Grandpa Potts

Gert Fröbe
as Baron Bomburst

Anna Quayle
as Baroness Bomburst

Benny Hill
as Toymaker

James Robertson Justice
as Lord Scrumptious

Robert Helpmann
as Child Catcher

Barbara Windsor
as Blonde

Davy Kaye
as Admiral

Alexander Doré
as First Spy

Bernard Spear
as Second Spy

Stanley Unwin
as Chancellor

Peter Arne
as Captain of Guard

Heather Ripley
as Jemima Potts

Adrian Hall
as Jeremy Potts

Desmond Llewelyn
as George Coggins

Victor Maddern
as Junkman

Arthur Mullard
as Cyril, Big Man

Ross Parker
as Chef

Gerald Campion
as Minister

Felix Felton
as Minister

Monti DeLyle
as Minister

Totti Truman Taylor
as Duchess

Larry Taylor
as Lieutenant

Max Bacon
as Orchestra Leader

Max Wall
as Inventor

John Heawood
as Inventor

Michael Darbyshire
as Inventor

Kenneth Waller
as Inventor

Gerald Taylor
as Inventor

Eddie Davis
as Inventor

Richard Wattis
as Secretary at Sweet Factory (Uncredited)

Phil Collins
as Vulgarian Teen

Robert Arditti
as Dancer (uncredited)

Vic Armstrong
as Cavalry Guard at Cannon (uncredited)

Michael Audreson
as Peter (uncredited)

Theo Aygar
as 4th Minister (uncredited)

John Baskcomb
as Castle Chef (uncredited)

Roy Beck
as Grand Prix Spectator (uncredited)

Jimmy Berriman
as Child in Castle (uncredited)

Eunice Black
as Courtier (uncredited)

Bill Brandon
as 'Test your Strength' Attendant (uncredited)

Tim Condren
as Cavalry Guard (uncredited)

Sadie Corre
as Field Worker (uncredited)

John Corrie
as Soldier (uncredited)

John Crocker
as Under Chef (uncredited)

Cyril Cross
as Minister (uncredited)

Dan Darnelli
as Man in the Sweet Factory (uncredited)

Gabrielle Daye
as Lady-in-Waiting (uncredited)

Ernest Fennemore
as Man at Fair (uncredited)

Harry Fielder
as Soldier at Castle (uncredited)

Henry Gibson
as Dancer (uncredited)

Carson Green
as Urchin (uncredited)

Kay Hamilton
as 3rd Duchess (uncredited)

Miranda Hampton
as Scullery Maid (uncredited)

John Hicks
as Boy (uncredited)

Robert Jenner
as Field Worker (uncredited)

Nigel Kingsley
as Child in Castle (uncredited)

Teddy Kiss Atom
as Minor Role (uncredited)

George Leech
as Chitty's original driver (uncredited)

Jim Machin
as Child (uncredited)

Mary Maxfield
as Lady at the Fair (uncredited)

Connel Miles
as Dancer (uncredited)

Roy Murray
as Fairground Barker (uncredited)

Grace Newcombe
as 2nd Duchess (uncredited)

Dickie Owen
as Major Domo (uncredited)

Paul Phillips
as Soldier (uncredited)

Dido Plumb
as Townsman (uncredited)

Colin Rix
as Chauffeur (uncredited)

Jessie Robins
as Pastry Cook (uncredited)

Reg Thomason
as Castle Guest (uncredited)