Self - Panellist (338 episodes, 2003-2024)
Self - Host (201 episodes, 2003-2016)
Self - Host / Self - Panellist (164 episodes, 2009-2024)
Self - Panellist (64 episodes, 2003-2024)
Self - Panellist (67 episodes, 2003-2021)
Self - Panellist (65 episodes, 2003-2023)
Self - Panellist (61 episodes, 2003-2023)
Self - Panellist (52 episodes, 2005-2024)
Self - Panellist (32 episodes, 2003-2011)
Self - Panellist (29 episodes, 2003-2018)
Self - Panellist (31 episodes, 2010-2023)
Self - Panellist (35 episodes, 2012-2024)
Self - Panellist (35 episodes, 2013-2024)
Self - Panellist (32 episodes, 2014-2024)
Self - Panellist (28 episodes, 2016-2024)
Self - Panellist (22 episodes, 2003-2017)
Self - Panellist (25 episodes, 2010-2016)
Self - Panellist (20 episodes, 2003-2013)
Self - Panellist (33 episodes, 2013-2024)
Self - Panellist (26 episodes, 2004-2017)
Self - Panellist (20 episodes, 2004-2013)
Self - Panellist (33 episodes, 2007-2022)
Self - Panellist (25 episodes, 2015-2023)
Self - Panellist (26 episodes, 2011-2023)
Self - Panellist (25 episodes, 2012-2023)
Self - Panellist (20 episodes, 2017-2024)
Self - Panellist (12 episodes, 2003-2013)
Self - Panellist (22 episodes, 2012-2024)
Self - Panellist (18 episodes, 2003-2019)
Self - Panellist (16 episodes, 2013-2019)
Self - Panellist (17 episodes, 2017-2024)
Self - Panellist (14 episodes, 2010-2024)
Self - Panellist (17 episodes, 2009-2022)
Self - Panellist (16 episodes, 2017-2024)
Self - Panellist (16 episodes, 2003-2024)
Self - Panellist (15 episodes, 2006-2017)
Self - Panellist (15 episodes, 2013-2020)
Self - Panellist (9 episodes, 2005-2011)
Self - Panellist (16 episodes, 2013-2023)
Self - Panellist (15 episodes, 2018-2024)
Self - Panellist (10 episodes, 2015-2019)
Self - Panellist (12 episodes, 2015-2024)
Self - Panellist (11 episodes, 2016-2024)
Self - Panellist (13 episodes, 2006-2021)
Self - Panellist (13 episodes, 2018-2022)
Self - Panellist (14 episodes, 2018-2023)
Self - Panellist (11 episodes, 2020-2024)
Self - Panellist (11 episodes, 2019-2024)
Self - Panellist (13 episodes, 2020-2024)
Self - Panellist (7 episodes, 2020-2024)
Self - Panellist (8 episodes, 2021-2023)
Self - Panellist (11 episodes, 2018-2022)
Self - Panellist (8 episodes, 2020-2024)
Self - Panellist (5 episodes, 2006-2007)
Self - Panellist (9 episodes, 2012-2015)
Self - Panellist (6 episodes, 2004-2023)
Self - Panellist (4 episodes, 2016-2018)
Self - Panellist (4 episodes, 2003-2004)
Self - Panellist (5 episodes, 2010-2016)
Self - Panellist (8 episodes, 2016-2022)
Self - Panellist (6 episodes, 2012-2015)
Self - Panellist (5 episodes, 2009-2014)
Self - Panellist (5 episodes, 2012-2016)
Self - Panellist (7 episodes, 2015-2017)
Self - Panellist (8 episodes, 2019-2022)
Self - Panellist (7 episodes, 2021-2024)
Self - Panellist (5 episodes, 2022-2024)
Self - Panellist (3 episodes, 2003-2004)
Self - Panellist (3 episodes, 2004-2006)
Self - Festival of the Spoken Nerd (5 episodes, 2016-2017)
Self - Panellist (6 episodes, 2011-2013)
Self - Panellist (5 episodes, 2021-2022)
Self - Panellist (3 episodes, 2009-2010)
Self - Panellist (5 episodes, 2018-2023)
Self - Panellist (5 episodes, 2019-2023)
Self - Panellist (3 episodes, 2020-2024)
Self - Panellist (6 episodes, 2020-2022)
Self - Panellist (2 episodes, 2005-2007)
Self - Panellist (3 episodes, 2006-2013)
Self - Panellist (3 episodes, 2007-2009)
Self - Panellist (4 episodes, 2009-2010)
Self - Panellist (6 episodes, 2011-2023)
Self - Panellist (5 episodes, 2012-2021)
Self - Panellist (6 episodes, 2021-2023)
Self - Panellist (6 episodes, 2011-2015)
Self - Panellist (5 episodes, 2013-2018)
Self - Panellist (2 episodes, 2005)
Self - Panellist (4 episodes, 2009-2014)
Self - Panellist (4 episodes, 2010-2018)
Self - Panellist (4 episodes, 2012-2013)
Self - Panellist (4 episodes, 2017-2020)
Self - Magician (3 episodes, 2010-2016)
Self - Guest (Series Deviser) / Self - Panellist (2 episodes, 2010-2019)
Self - Panellist (4 episodes, 2003-2011)
Self - Panellist (2 episodes, 2004-2010)
Self - Panellist (2 episodes, 2003-2010)
Self - Guest (1 episode, 2018-2020)
Self - Panellist (2 episodes, 2003)
Self - Panellist (2 episodes, 2004)
Self - Festival of the Spoken Nerd (4 episodes, 2016-2017)
Self - Panellist (1 episode, 2004)
Self - Panellist (1 episode, 2005)
Self - Panellist (1 episode, 2006)
Self - Panellist (1 episode, 2009)
Self - Panellist (1 episode, 2010)
Self - Panellist (3 episodes, 2011)
Self - Panellist (2 episodes, 2012)
Self - Panellist (3 episodes, 2013-2014)
Self - Panellist (3 episodes, 2014-2015)
Self - Panellist (2 episodes, 2014-2015)
Self - Panellist (3 episodes, 2016-2017)
Self - Panellist (3 episodes, 2017)
Self - Panellist (3 episodes, 2018-2019)
Self - Panellist (3 episodes, 2019-2020)
Self - Panellist (2 episodes, 2021-2022)
Self - Panellist (3 episodes, 2022-2023)
Self - Panellist (3 episodes, 2021-2022)
Self - Panellist (3 episodes, 2023)
Self - Panellist (1 episode, 2024)
Self - Panellist (1 episode, 2003)
Self - Panellist (2 episodes, 2011)
Self - Panellist (3 episodes, 2012-2013)
Self - Panellist (2 episodes, 2013-2014)
Self - Panellist (2 episodes, 2013)
Self - Panellist (2 episodes, 2015)
Self - Panellist (2 episodes, 2015-2016)
Self - Panellist (1 episode, 2016)
Self - Panellist (2 episodes, 2016)
Self - Panellist (2 episodes, 2017-2018)
Self - Panellist (2 episodes, 2018-2019)
Self - Panellist (2 episodes, 2018)
Self - Panellist (3 episodes, 2019)
Self - Panellist (3 episodes, 2020-2021)
Self - Panellist (3 episodes, 2020)
Self - Panellist (2 episodes, 2021)
Self - Panellist (2 episodes, 2022-2023)
Self - Panellist (1 episode, 2008)
Self - Panellist (2 episodes, 2009-2010)
Self - Panellist (2 episodes, 2010)
Self - Panellist (1 episode, 2011)
Self - Special Guest Panellist (2 episodes, 2009-2010)
Daisy (1 episode, 2009)
Self - Guest (1 episode, 2013)
Self - RAF Police Corporal (1 episode, 2017)
Self - Guest (1 episode, 2019)
Self - Editor-in-Chief, Guinness World Records (1 episode, 2020)
Self - GCHQ Historian (1 episode, 2021)
Self - Silhouette Artist (1 episode, 2021)
Self - Boom Boom Operator (2 episodes, 2022-2023)
Self - Conjuror (The Magic Circle) (1 episode, 2022)
Self - Chester Town Crier (1 episode, 2023)
Self - Professor of Ultrasonics (1 episode, 2023)
Self - RAF Police Detection Dog (1 episode, 2017)
Marvin the Paranoid Android (1 episode, 2019)
Self - Testcard Girl (1 episode, 2022)
Themselves (1 episode, 2013)
Self - Team n2i (1 episode, 2007)
Self - Gomboc Inventor (1 episode, 2009)
Self - Crop Circle Creator (1 episode, 2010)
Self - Host (QI - Netherlands) (1 episode, 2010)
Self - Professor (University of York) (1 episode, 2010)
Self - University College London (Nobel Prize Winner) (1 episode, 2011)
Self - London Irish Rifles Regimental Association (1 episode, 2013)
Self - NPL (1 episode, 2013)
Self - Guest (1 episode, 2014)
Self - Filmmaker (1 episode, 2014)
Self - Physics Dept, Oxford University (2 episodes, 2014-2015)
Self - Festival of the Spoken Nerd (3 episodes, 2016-2017)
Self - Guest (1 episode, 2016)
Self - University of Leicester (1 episode, 2016)
Self - Guest (1 episode, 2017)
Self - Conductor (QI Audience Choir) (1 episode, 2017)
Self - Guest (Christmas Stamp Artist) (1 episode, 2017)
Self - Curator, Army Flying Museum (1 episode, 2017)
Self - The Shark Trust (1 episode, 2017)
Self - Southampton University (1 episode, 2017)
Inventor / Self - Creator (1 episode, 2017)
Self - Mathematician (1 episode, 2018)
Self - QI Chicken (1 episode, 2018)
Self - Pianist (1 episode, 2018)
Self - Zoologist (1 episode, 2018)
Self - Guest (1 episode, 2018)
Self - Curator - Grant Museum - University College London (1 episode, 2019)
Self - Guest (1 episode, 2020)
Self - Yeoman Warder Ravenmaster (1 episode, 2021)
Self - Ravenmaster Skaife's Wife (1 episode, 2021)
Self - Guest (1 episode, 2022)
Self - Mathematician (1 episode, 2023)
Self - Retired BA Captain (1 episode, 2024)
Self - Senior Curator (National Maritime Museum) (1 episode, 2024)
Self - Guest (uncredited) (3 episodes, 2006-2008)
Self - Researcher (uncredited) (2 episodes, 2014)
Sleepy Security Guard (uncredited) (1 episode, 2018)
Self - QI Floor Manager (uncredited) (1 episode, 2022)