David Threlfall is a British actor and director, best known for his role as Frank Gallagher in the popular television series Shameless. Born on June 12, 1960, in Birmingham, England, he has had a diverse career in film, television, and theater. Threlfall has appeared in various productions, showcasing his versatility as an actor. In addition to Shameless, he has featured in shows like The Last Detective and films such as The Man Who Knew Too Little. His work has earned him critical acclaim and a dedicated fan base.