|Born||New Longton, Lancashire, England, UK|
Born in New Longton, Lancashire, Flanagan attended Cardinal Newman College, and went on to train at Drama Centre London. Flanagans mother Poppy Flanagan is an actress as well, before that she worked as a teacher.
After graduating from drama school, Flanagan joined the Royal Shakespeare Company, playing Oswald in the RSC Academy production of King Lear. His other theatre work includes Cymbeline and Mimi and the Stalker.
Flanagan played the lead role of John Mitchell in the pilot episode of Being Human; the character was played by Aidan Turner in the subsequently produced series. His other television credits include Messiah: The Harrowing, Holby City, Totally Frank, Doctors and The Bill.
|2003||Henry VIII||Tall servant||Television serial|
|2005||Messiah: The Harrowing||Tim Evans||Television film|
|2006||Holby City||Trev Stone
- Passing On (2006)
- Episode 2.1 (2006)
|2007||Party Animals||Felix Carrera
- Episode 1.3 (2007)
|2008||Being Human||John Mitchell
- Pilot (2008)
- Towards the Light (2009)
|The Bill||Jason Devlin
- Conviction: Cover Up (2009)
- Conviction: To the Limit (2009)
- Conviction: Breaking Point (2009)
- Conviction: Walk the Line (2009)
- Conviction: Riot City (2009)
- Conviction: Judgement Day (2009)
|2013||The White Queen||James Friars
- Episode 04 (2013)
|2004||Millions||All Saint 3||Feature film|
|2008||A Bunch of Amateurs||Box Office Guy||Feature film|
|2012||Dark Shadows||Bearded Hippie||Feature film|
|2012||Hammer of the Gods||Jokul||Feature film|
|2002||King Lear||Swan Theatre / Young Vic / Spain, Italy, France||Oswald|
|2008||Mimi and the Stalker||Theatre503||Larson / Barnes|
- "Taxi News" (PDF). Preston City Council. Retrieved 10 August 2009.
- "Performing Arts Course: Performance" (PDF). Cardinal Newman College. Retrieved 10 August 2009.
- Ron Ellis (15 September 2014). "A Separate Table for am-dram Grand Dame". lep.co.uk. Retrieved 13 April 2015.
- The RSC Shakespeare - King Lear See listing for 2002 RSC Academy production. Retrieved on 10 August 2009.
- Guy Flanagan | London Theatre Database Retrieved on 10 August 2009.
- "Guy Flanagan plays Mitchell (The Vampire)". BBC. 8 February 2008. Retrieved 11 September 2014.
- Neil Wilkes (4 November 2008). "Exclusive: New 'Being Human' cast revealed!". Digital Spy. Retrieved 11 September 2014.
- Daniel Martin (2009-02-13). "How online fans rescued BBC3's Being Human". The Guardian. Retrieved 11 September 2014.