Guest Stars Gabrielle Green as Katrina MacKenzie Louisa Connolly-Burnham as Shannon Kelly Mark Fleishmann as Tim Jeffries Rachel Teate as Kara Shorelle Hepkin as Kay Jonathan Raggett as Jimmi Nahom Kassa as Sam Niek Versteeg as Liam Hunter Angela Lonsdale as Emma Marcus Garvey as Daniel Clara Onyemere as Miss Parrish Ursula Holden Gill as Miss Fitzgerald David Tse as Mr. Chen Chu Omambala as Mr. Okinawe Grace Taylor-Clarke as Year 8 Girl Jessica Tracey as Year 9 Girl