Marlon Williams, Geraldine Hickey, Big Wett and Rhys Nicholson join Adam, Myf and Alan as they hit such musical heights they have to go into falsetto by the end of it.
| Name | Type | Role | |
|---|---|---|---|
| Geraldine Hickey | Guest Star | ||
| Bronte Maguire | Guest Star | Big Wett | |
| Rhys Nicholson | Guest Star | ||
| Marlon Williams | Guest Star |