How Doctor Who Companion Actor Kept The Biggest Secret From Matt Smith Era Cast

In Doctor Who, Alex Kingston proved that even the actors sometimes need to keep secrets. Kingston plays River Song, the Doctor’s wife and the secret daughter of Amy and Rory Pond. Her role in the show is steeped in mystery, and she is often one step ahead of Matt Smith’s Eleventh Doctor and his companions. With the Doctor and River experiencing their lives in reverse, one always knows more than the other, which is true as much for the characters as it is for the actors.