Imelda Staunton
From Tardis Wiki, the free Doctor Who reference
Imelda Staunton CBE (born 9 January 1956[1]) voiced the Interface in the Doctor Who story The Girl Who Waited.
Career
She is more commonly known for her role as Dolores Umbridge in the Harry Potter movies.
Personal life
She is married to Big Finish actor Jim Carter and is one of the few Oscar-nominated actresses to appear in Doctor Who.