Gene Wilder
as Willy Wonka

Peter Ostrum
as Charlie Bucket

Jack Albertson
as Grandpa Joe

Nora Denney
as Mrs. Teevee

Roy Kinnear
as Mr. Salt

Julie Dawn Cole
as Veruca Salt

Paris Themmen
as Mike Teevee

Denise Nickerson
as Violet Beauregarde

Leonard Stone
as Mr. Beauregarde

Diana Sowle
as Mrs. Bucket

Ursula Reit
as Mrs. Gloop

Michael Bollner
as Augustus Gloop

Aubrey Woods
as Bill

David Battley
as Mr. Turkentine

Günter Meisner
as Mr. Slugworth

Peter Capell
as The Tinker

Werner Heyking
as Mr. Jopeck

Peter Stewart
as Winkelmann

Tim Brooke-Taylor
as Computer Scientist (uncredited)

Marcus Powell
as Oompa Loompa (uncredited)

Rusty Goffe
as Oompa Loompa (uncredited)

Malcolm Dixon
as Oompa Loompa (uncredited)

Michael Goodliffe
as Mr. Teevee (uncredited)

Kurt Großkurth
as Mr. Gloop (uncredited)

Pat Coombs
as Henrietta Salt (uncredited)

Franziska Liebing
as Grandma Josephine (uncredited)

Dora Altmann
as Grandma Georgina (uncredited)

Ernst Ziegler
as Grandpa George (uncredited)

Frank Delfino
as Auctioneer (uncredited)

Rudy Borgstaller
as Oompa Loompa (uncredited)

George Claydon
as Oompa Loompa (uncredited)

Ismed Hassan
as Oompa Loompa (uncredited)

Norman McGlen
as Oompa Loompa (uncredited)

Angelo Muscat
as Oompa Loompa (uncredited)

Stephen Dunne
as Stanley Kael (uncredited)

Victor Beaumont
as Doctor (uncredited)

Walker Edmiston
as Mr. Slugworth (uncredited)

Michael Gahr
as Reporter in Germany (uncredited)

Shin Hamano
as Japanese Candy Store Owner (uncredited)

Jack Latham
as First Newscaster (uncredited)

Gloria Manon
as Mrs. Curtis (uncredited)

Ed Peck
as FBI Agent (uncredited)

Pepi Poupee
as Oompa Loompa

Bob Roe
as Peter Goff (uncredited)

Madeline Stuart
as Madeline Durkin (uncredited)

Albert Wilkinson
as Oompa Loompa (uncredited)