William McGregor (born 26 September 1987) is a British screenwriter and director working in film, television, and commercials. He is known for his strong use of landscape and often gothic themes.
His 2009 student film, Who's Afraid of the Water Sprite?, won the Royal Television Society Award for Best Drama; the Cambridge Student Film Festival was renamed "The Watersprite Film Festival" in honour of the film.
He was selected as a Screen International "Star of Tomorrow" in 2012 and a Berlinale Talent Campus participant in 2010. McGregor is represented for drama by Independent Talent and for commercials by The Mill.
McGregor became the youngest-ever director of E4's BAFTA-award-winning drama, Misfits, in 2013, directing the first three episodes of series five. In 2014, he directed the finale of the BBC's Poldark. The final episode was described as "one of those rare occasions when a popular drama series delivers something that properly belongs to art" by The Daily Telegraph.
As of late 2015, McGregor was in post-production on a four-part miniseries for the BBC called One of Us, starring Juliet Stevenson and Laura Fraser.
As of late 2015, McGregor was developing his first feature film, The Dark Outside, with BAFTA- and EMMY-award-winning producer Hilary Bevan Jones.