Aang receives guidance from Guru Pathik at the Eastern Air Temple; Sokka is reunited with his long-lost father; Princess Azula has something diabolical in store for her enemies; Uncle and Zuko run their own tea shop. The heroes work together to stop Azula's destructive plans; Zuko finds companionship in an unlikely source and learns the time has come to make an imperative choice about his future.
| Name | Type | Role | |
|---|---|---|---|
| Cricket Leigh | Guest Star | Mai (voice) | |
| Jack De Sena | Guest Star | Sokka (voice) | |
| Richard McGonagle | Guest Star | Bato (voice) | |
| Brian George | Guest Star | Guru Pathik (voice) | |
| Olivia Hack | Guest Star | Ty Lee (voice) | |
| Phil LaMarr | Guest Star | Earth King (voice) | |
| Sab Shimono | Guest Star | Master Yu (voice) | |
| Clancy Brown | Guest Star | Long Feng (voice) | |
| Marc Graue | Guest Star | Xin Fu (voice) | |
| Dee Bradley Baker | Guest Star | Appa/Momo/Additional Voices (voice) | |
| Grey DeLisle | Guest Star | Azula (voice) | |
| André Sogliuzzo | Guest Star | Hakoda (voice) | |
| Mako | Guest Star | Uncle (voice) | |
| Jessie Flower | Actor | Toph (voice) | |
| Dante Basco | Actor | Prince Zuko (voice) | |
| Zach Tyler Eisen | Actor | Aang (voice) | |
| Mae Whitman | Actor | Katara (voice) |