- "It can be a bit irritating when someone asks me how the new film's coming along when I haven't worked on Harry Potter for two years. Generally speaking, I have no problem with it. Most actors go through their careers without ever being involved in something so spectacular, so I think it would be a bit ignorant of me to object to being associated with it. Harry Potter is an amazing thing. I'm not just being diplomatic here either. I'm still reminded regularly of what a unique experience it was."
- —Sean Biggerstaff
Biggerstaff was born in Glasgow, Scotland. He joined a local drama group and he played "Augustus Gloop" in "Charlie and the Chocolate Factory". After that, for six years, he joined the Scottish Youth Theatre. It was there he got his big break when Alan Rickman asked him be Tom in The Winter Guest (1997).
Rickman later recommended that Biggerstaff join the agency International Creative Management. When casting for Harry Potter began, the directors asked Biggerstaff read for the part of Oliver Wood. He agreed and went on to play Oliver for two films.
Biggerstaff was nominated and won Best Actor for Television in the British Academy of Film and Television Arts in Scotland (BAFTA Scotland) on November 18, 2007 for his role in the BBC4 TV Movie Consenting Adults.
In 2016, he played the lead role in the theatre play Right Now, which was critically and commercially well received in Bath, London, and Edinburgh.
|2011||Harry Potter and the Deathly Hallows: Part 2||Oliver Wood||Uncredited cameo appearance.|
|2010||Hippie Hippie Shake||Unknown||Unreleased|
|2009||Garrow's Law (TV series)||Tom||1 episode|
|X on a Map||Paul||Short film|
|Why Didn't They Ask Evans?||Bobby Attfield||TV movie|
|2008||The Skull of Sobek||Voice of Snabb||BBC "Doctor Who" Audio Drama|
|2007||Consenting Adults||Jeremy Wolfenden||BBC4 Television Drama|
|2006||Cashback||Ben Willis||Feature Film|
|2005||The Girl with Red Hair||Matt||Theatre|
|2004||Cashback||Ben Willis||Short Film|
|2003||Charles II: The Power and the Passion||Henry, Duke of Gloucester||TV mini-series|
|Shada||Voice of Chris Parson||BBC Animated "Doctor Who" Webcast|
|2002||Harry Potter and the Chamber of Secrets||Oliver Wood|
|2001||Harry Potter and the Philosopher's Stone|
|1997||The Winter Guest||Tom|
|MacBeth||Son of MacDuff||Tron Theatre, Glasgow|
|1996||The Crow Road (TV series)||Young Darren||1 episode|
|1990||Charlie and the Chocolate Factory||Augustus Gloop||Maryhill Youth Theatre|
|MacBeth||Scottish Youth Theatre|
|Peter Pan Man|
|Much Ado About Nothing|
|Two Weeks with the Queen|
|Beauty and the Beast|