Michael Sheen is a Welsh actor known for his versatile performances in film, television, and theater. He gained fame for his roles in movies like The Queen and Frost/Nixon, showcasing his ability to portray real-life figures with depth and nuance. Sheen has also starred in popular TV series such as Masters of Sex and Good Omens. In addition to acting, Sheen is recognized for his activism and advocacy work, particularly in areas like mental health and social justice. He has been involved in various charitable organizations and initiatives, using his platform to raise awareness and support for important causes.