| Willy Wonka | 吉恩·怀尔德
 | |
| Grandpa Joe | 杰克·艾伯森
 | |
| Charlie Bucket | 彼得·奥斯图姆
 | |
| Mr. Salt | Roy Kinnear | |
| Veruca Salt | Julie Dawn Cole | |
| Mr. Beauregarde | Leonard Stone | |
| Violet Beauregarde | Denise Nickerson | |
| Mrs. Teevee (as Dodo Denney) | Nora Denney | |
| Mike Teevee | Paris Themmen
 | |
| Mrs. Gloop | Ursula Reit | |
| Augustus Gloop | Michael Bollner | |
| Mrs. Bucket | Diana Sowle | |
| Bill | Aubrey Woods | |
| Mr. Turkentine | David Battley | |
| Mr. Slugworth (as Gunter Meisner) | Günter Meisner | |
| The Tinker | Peter Capell | |
| Mr. Jopeck | Werner Heyking | |
| Winkelmann | Peter Stuart | |
| Grandma Georgina (uncredited) | Dora Altmann | |
| Oompa Loompa (uncredited) | Rudy Borgstaller | |
| Computer Operator (uncredited) | Tim Brooke-Taylor | |
| Oompa Loompa (uncredited) | George Claydon | |
| Henrietta Salt (uncredited) | Pat Coombs | |
| Auctioneer (uncredited) | Frank Delfino | |
| Oompa Loompa (uncredited) | Malcolm Dixon | |
| Stanley Kael - Second Newscaster (uncredited) | Stephen Dunne | |
| Oompa Loompa (uncredited) | Rusty Goffe | |
| Japanese Candy Store Owner (uncredited) | Shin Hamano | |
| Oompa Loompa (uncredited) | Ismed Hassan | |
