Saoirse-Monica Jackson is one of the only Derry Girls cast members who can use her own accent.
The actress was born in Derry, which is obviously where the much-loved Channel 4 sitcom is set and based on writer Lisa McGee's childhood growing up during The Troubles in the 1990s
Saoirse-Monica plays passionate and ambitious Erin, who can sometimes comes across as vain and sarcastic but always wants to do right.