Alex Kingston is a British actress best known for her roles in television and film. She gained widespread recognition for her portrayal of River Song in the popular series Doctor Who. Kingston has also appeared in other notable shows, including ER, where she played Dr. Elizabeth Corday, and The Last Kingdom. Born on March 11, 1963, in London, England, Kingston trained at the Royal Academy of Dramatic Art. Throughout her career, she has received critical acclaim for her performances and has been nominated for various awards, showcasing her talent and versatility as an actress.