Sad news to report, An actor best known for his role on "Walker, Texas Ranger" is dead. Clarence Gilyard Junior, who played Walker's best friend in the long-running series, died Monday at age 66. He also worked as a professor at the University of Nevada, Las Vegas. Another character he played was Theo, the heist crew's hacker in "Die Hard," along with a number of other film and television roles. For more details, click on link below: