An English actor born in 1934, he is best known for his iconic portrayal of the Fourth Doctor in the long-running television series "Doctor Who," a role he played from 1974 to 1981. His distinctive voice and eccentric style made him a fan favorite. Before his success on "Doctor Who," he worked in various theater productions and films. Post-"Doctor Who," he continued to act in television, film, and theater, and his voice work has been featured in numerous projects, including narration and audiobooks.