Sharon Duncan-Brewster
— Zahra
Sophia Hall
— Alicia
Antony Houghton
— Mr. Campbell
Michelle Greenidge
— Mary (voice)
Neil Reidman
— Winston
Cornelia Colman
— Shocked Mum
Brianna Howell
— Young Alicia
Brooke Ramsay
— Daughter in Classroom
Claire Ramsay
— Mother in Classroom
Kias Russell
— Shane
Samir Williams
— Shocked Son