Siobhan Thompson
Biography
Siobhan Thompson (born 29 July 1984) is a British-American sketch comedian and comedy writer. She is known for her work on the CollegeHumor Originals web series and has appeared in other programs such as Adam Ruins Everything and Broad City. She was also a staff writer for Adult Swim's Rick and Morty.
Gallery
Known For
Acting History
2025
Dimension 20 Live: Quangle Quest
2025Dimension 20 Live: Battle at the Bowl as Adaine Abernant
2025Dimension 20 Live: Gauntlet at the Garden as Misty Moore
2025The Roll of a Lifetime: How Dimension 20 Sold Out Madison Square Garden as Self - Cast Member
2025The Scripted Muppet Caper as Lady Holiday
2024Gastronauts as Self - Judge
2024Dimension 20: Time Quangle as Rowan Berry
2024Dimension 20: Time Quangle as Adaine Abernant
2024Dimension 20: Time Quangle as Princess Rosamund du Prix
2024Dimension 20: Time Quangle as Ruby Rocks
2024Thousandaires as Self - Host
2024Smartypants as Self - Society Member
2024Smartypants as Self - Presenter
2024The Disruptors as Melissa
2023The Legendary Rick Perry and the Art of Dimension 20 as Self (archive footage)
2022Dirty Laundry as Self - Guest
2021Dimension 20 Animated as Riva (voice)
2021Dimension 20 Animated as Ruby Rocks (voice)
2021Dimension 20 Animated as Princess Rosamund du Prix (voice)
2021Dimension 20 Animated as Adaine Abernant (voice)
2020Dimension 20's Adventuring Party as Self
2019Game Changer as Self - Contestant
2019Game Changer as Self (archive footage)
2019Game Changer as The Voicemail Musical
2019Fantasy High: Extra Credit as Self
2019Troopers: Rise of the Budget as TR-45HY "Trashy" (voice)
2019The Rank Room as Self
2019Total Forgiveness as Self
2019WTF 101 as Amsterdam Woman (voice)
2019WTF 101 as Mary Toft (voice)
2018Adventuring Academy as Self
2018Um, Actually... as Self - Contestant
2018Dimension 20 as Adaine Abernant
2018Dimension 20 as Ruby Rocks
2018Dimension 20 as Imelda Pulse
2018Dimension 20 as Riva
2018Dimension 20 as Jaysohn
2018Dimension 20 as Princess Rosamund du Prix
2018Dimension 20 as Misty Moore / Rowan Berry
2018Dimension 20 as Iga Lisowski / Rowan Berry
2018Dimension 20 as Vanellope Chapman
2018Breaking News: No Laugh Newsroom as O.K. Simpson
2018Breaking News: No Laugh Newsroom as Jessica Crispy
2016CollegeHumor Does the Purge as Siobhan
2016Bad Internet as The Hermione
2016Bad Internet
2015CollegeHumor Goes to Hell as Siobhan
2015Um, Actually: The Web Series as Self - Contestant
2014Broad City as Leigh
2003Arrested Development as British Reporter