Jason Merrells was born in the County of Essex, England in 1968. He was brought up in East London where he attended Saturday morning drama classes with his older brother Simon; the brothers also spent time at one of the Sylvia Young's Schools. Jason also went to a group called Link Arts based in Sussex. He attended the Buckhurst Hill Country High School For Boys; the Chichester Art School, but concentrated more and more on drama and did plays in Edinburgh. Jason also took Performing Arts at university.
Jason's first professional role was Oliver in the play As You Like It. His big break came when he was cast in Casualty in the mid-90s, he stayed with the show for three years. Jason is better known for his role of Gavin in Cutting It.
Jason lives part-time in London the rest of his time in the North East of England. He is currently married with his second wife Zerlina with whom he has a son: Jackson; he also has two daughters: Camilla and Gina from his first marriage with Judith Hurley.