Barry Cassin

John Finbar Cassin, known professionally as Barry Cassin, was an Irish television, stage and screen actor. On stage, he is best known for his role in the production of Twelve Angry Men. On screen, Cassin played mostly secondary roles such as in the television series Mystic Knights of Tir Na Nog, in 2004 he was Fr. Griffin in The Blackwater Lightship for the Hallmark Hall of Fame and the 2012 film Byzantium. He introduced the works of John B.