Stephen Merchant

Stephen James Merchant (born 24 November 1974) is an English writer, director, radio presenter and comic actor who is slated to voice Wheatley in Portal 2.

Biography
Merchant is best known for his collaborations with Ricky Gervais, as the co-writer and co-director of the popular British sitcom The Office, as the co-writer, co-director and a co-star of Extras, and as the co-host of The Ricky Gervais Show in its radio, podcast, audiobook and television show forms.