Martin Sheen Honored on His Birthday Martin Sheen has just celebrated his 80th birthday and friends and fans checked in to wish the actor well. Friends and fans took to social media with wishes and to honor some of his memorable movie roles. Happy birthday to a real one, said a fan on Twitter. Other fans wished a happy birthday to the "president of the United States" in honor of his role on West Wing. What is your favorite Martin Sheen film?