Vincent Keller is a fictional character from the television series Beauty and the Beast, which aired from 2012 to 2016. He is portrayed by actor Jay Ryan. Vincent is a former military operative who has been genetically altered, giving him enhanced strength and agility. He struggles with his dual nature, balancing his human side with the beastly instincts that come from his transformation. Throughout the series, Vincent develops a romantic relationship with Catherine Chandler, a detective who helps him navigate the challenges of his life. Their bond is central to the storyline, as they work together to uncover secrets and confront various threats.