William Fichtner is an American actor. He has appeared in a number of notable films and TV series. He is known for his roles as Sheriff Tom Underlay in the television series Invasion, Alexander Mahone on Prison Break, and numerous film roles, including: Quiz Show, Heat, blind astronomer Kent in Contact, Armageddon, The Perfect Storm, Crash, Blades of Glory, Black Hawk Down, Nine Lives, The Longest Yard, Mr. & Mrs. Smith, The Dark Knight, Date Night, The Lone Ranger, Phantom, Elysium, Independence Day: Resurgence, and Teenage Mutant Ninja Turtles.