Alexander Armstrong

Alexander Armstrong (born 14 August 1970) voices Mr Smith in The Sarah Jane Adventures and Sarah Jane's Alien Files, as well as the Doctor Who episodes The Stolen Earth and Journey's End. He will appear in Doctor Who again, in an as yet unknown role in the 2011 Christmas Special.

In addition to acting Armstrong is a well-known comic and presenter, and headlines The Armstrong &amp; Miller Show with his longtime comedy partner Ben Miller. In 2009, Armstrong and Miller's work on The Armstrong & Miller Show won them a BAFTA for "Best Comedy Programme." He is the presenter of BBC1 gameshow Pointless.