Margaret Blaine

From TARDIS Index File, the free Doctor Who reference.

Margaret Blaine
Also known as:
Race:	Human
Home Planet:	Earth
Home Era:	2000s
Appearances:	DW: Aliens of London (mentioned)
Actor:

Margaret Blaine was a senior member of MI5 in the early 21st century. At some point prior to April 2006, Blaine was murdered by Blon Fel-Fotch Passameer-Day Slitheen, who used her skin to impersonate her. (DW: Aliens of London) Still posing as Blaine, the Slitheen ran for mayor of Cardiff. (DW: Boom Town)

[edit] Behind the Scenes

Technically, Margaret Blaine never appeared in Doctor Who, only Blon Fel-Fotch Passameer-Day Slitheen masquerading as her. However, the credits for Aliens of London/World War Three and Boom Town credit the character by her alias of Margaret Blaine.