Coynes earliest performances were in school plays. He played leading roles in two outstanding productions: ‘The Judge’ in Oscar Wildes Hang of the Gaol and Phaeton in Ovids Chariot of the Sun. He won rave reviews for his performances in the national press and decided to pursue a career as an actor.He won a place at the Royal Academy of Dramatic Art in London and upon his graduation, he received the Hannam Clarke Award. His first role on TV was on an episode of Londons Burning in 1990. His next big role was in a mini-series Gullivers Travels starring Ted Danson. He appeared in many British TV series over the next few years including guest appearance on EastEnders, Pulling and The Bill. In 2003, he was cast in Lara Croft Tomb Raider: The Cradle of Life. In 2010, he was cast in The Nutcracker in 3D. His biggest role was as Warden Edwin James on Alcatraz. He was later cast in Would You Rather and the British film, London Boulevard. In 2013, he was cast in two major films, in a supporting yet adequate role.