Answer
Sam Flynn, portrayed by Garrett Hedlund, is the protagonist of "Tron: Legacy." He is the son of Kevin Flynn, the original creator of the Tron digital world. Sam is a skilled hacker who is drawn into the Tron universe after receiving a mysterious message from his father. He teams up with Quorra, a program from the Tron world, to confront the tyrannical Clu and restore balance to the digital realm.