Maria Lucas is the girlfriend of Charlie Fisher, who he was having an affair with. She was a friend of Francesca Montoya, who reluctantly helped the two manage to keep their affair a secret from Karen Fisher.
She was an English teacher and the deputy head of Glossip Hill School, which Waterloo Road competed against in the school debate.
Eventually Harry Fisher grows suspicious and catches his Dad meeting up with Cesca in the park. The affair is later revealed and Charlie and Karen split up.
After attending the event Maria tries to keep things civil with Karen but the tension between the three of them gets to her. She tells Charlie that she can't cope with it and that he has to prove that he loves her. Charlie does this by telling Karen that he wants a divorce. Karen agrees and the two maintain a good relationship.
Maria isn't seen again, but in Series 6 Episode 10 Charlie moves away with her, after she was offered a new job.
Behind the scenes[]
Maria's actress, Susan Cookson, was married to actor Malcolm Scates until his death in 2016; Scates appeared in Series 4 as Ralph Mellor.