She also played the roles of Lyndz in Sleepover Club, Kate King in Don't Blame Me and Sasha in Double Trouble.
In 2002 A'Hern played Kate Henley in Disappearance, a film about a strange old ghost town.
In 2008, she played Lucia Jones in the BBC-commissioned Australian soap opera Out of the Blue.
She attended St Scholastica's College in Glebe Point and the International Grammar School in Ultimo.