Castor Troy is a fictional character from the 1997 action film Face/Off, directed by John Woo. He is portrayed as a skilled terrorist and criminal mastermind, known for his cunning and ruthlessness. Castor's character is central to the film's plot, which revolves around his conflict with an FBI agent. In the movie, Castor Troy's face is surgically removed and replaced with that of the FBI agent, Sean Archer, played by John Travolta. This unique premise allows for a complex exploration of identity and morality, as both characters navigate each other's lives while trying to achieve their own goals.