The strain of Allie's cancer begins to take its toll on her relationship with Gavin. Meanwhile, an error by Liam throws the academy into crisis, revealing an interesting secret from his past.
| Name | Type | Role | |
|---|---|---|---|
| Olivia Carruthers | Guest Star | ||
| Mike Walling | Guest Star | ||
| Rachel Davies | Guest Star | ||
| Jason Manford | Guest Star | ||
| Josh Moran | Guest Star | ||
| Geordie Glen | Guest Star | ||
| Nicky Bell | Guest Star | ||
| Dave Dutton | Guest Star | ||
| Doreen Keogh | Guest Star | ||
| Charis Berry | Guest Star |