Joanna Page

Joanna Page (born 13 March 1978 ) is a Welsh actress who played Elizabeth I (as well as her Zygon duplicate) in the Doctor Who fiftieth anniversary special The Day of the Doctor. She also read the short story The Garden of Statues for the anthology Time Lord Fairy Tales.

Career
She is best known for starring as Stacey in, alongside Ruth Jones and James Corden.