Peter Morgan 2007 they jointly won a BAFTA Film Award for their work on the film. Also in 2006, Morgan's first play, "Frost/Nixon", was staged at the Donmar Warehouse theatre in London. Starring Michael Sheen as David Frost and Frank Langella as Richard Nixon, the play concerns the series of televised interviews that the disgraced former president granted Frost in 1977. These ended with his tacit admission of guilt regarding his role in the Watergate scandal. The play was directed by Michael Grandage and opened to enthusiastic reviews. In May 2007, the 50th San Francisco International Film Festival honoured Morgan with the
Michael Sheen Award for Best Actor in a Supporting Role. His second film appearance of 2006 was a supporting role in "Blood Diamond" as an unscrupulous diamond dealer. Also in 2006, Sheen starred as the troubled English comic actor Kenneth Williams in BBC Four's "" In preparation for the role, he lost two and a half stone (approx. 35 lbs), studied archival footage and read Williams' published diaries. Sheen has said he is "fascinated by finding the private side of the public face". "The Times" found his performance "mesmerising" while "The Observer" described it as "a characterisation for which the description tour-de-force