George and his best friend, Hundley explore all the wonders of the season together in this high-flying, full-length feature. Join them in a wild adventure that ends with a very fun surprise!
| Actor | Role |
|---|---|
 Frank WelkerCurious George / Stig / Flint Quint (voice) | Curious George / Stig / Flint Quint (voice) |
 Jeff BennettThe Man with the Yellow Hat / Stew (voice) | The Man with the Yellow Hat / Stew (voice) |
 Grey DeLisleBetsy / Photographer (voice) | Betsy / Photographer (voice) |
 E. G. DailySteve / Andie (voice) | Steve / Andie (voice) |
 Kath SoucieMrs. Renkins / Mint Quint / Mrs. Quint (voice) | Mrs. Renkins / Mint Quint / Mrs. Quint (voice) |
 Rob PaulsenCharkie (voice) | Charkie (voice) |
 Edie McClurgLydia / Mum / Lady (voice) | Lydia / Mum / Lady (voice) |
 Jim CummingsJumpy Squirrel / Mr. Quint (voice) | Jumpy Squirrel / Mr. Quint (voice) |
 Annie MumoloBill / Sprint Quint (voice) | Bill / Sprint Quint (voice) |