Ciarán McMenamin plays Matt Anderson in Primeval Series 4 and Series 5. His first appearence was in an interview in S4 Prequel Episode 1. He appeared in the next 4 webisodes. Ciarán's first on screen appearence was in Episode 4.1. Ciarán appeared in every episode of Primeval Series 4 and Series 5 as his character Matt has a secret mission to save the Future.