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.
Known For

TV
Arrested Development
British Reporter
2003

TV
Dimension 20
Adaine Abernant
2018

TV
Dimension 20
Ruby Rocks
2018

TV
Dimension 20
Imelda Pulse
2018

TV
Dimension 20
Riva
2018

TV
Dimension 20
Jaysohn
2018

TV
Dimension 20
Princess Rosamund du Prix
2018

TV
Dimension 20
Misty Moore / Rowan Berry
2018

TV
Dimension 20
Iga Lisowski / Rowan Berry
2018

TV
Dimension 20
Vanellope Chapman
2018

TV
Broad City
Leigh
2014

TV
Um, Actually...
Self - Contestant
2018

TV
Game Changer
Self - Contestant
2019

TV
Game Changer
Self (archive footage)
2019

TV
Game Changer
The Voicemail Musical
2019

TV
Dirty Laundry
Self - Guest
2022

TV
Breaking News: No Laugh Newsroom
O.K. Simpson
2018

TV
Breaking News: No Laugh Newsroom
Jessica Crispy
2018

TV
Bad Internet
The Hermione
2016

TV
Bad Internet
2016
Filmography
2026FilmDimension 20 Live: Viva Más Vegasas Riva2025FilmDimension 20 Live: Quangle Questas Adaine Abernant / Ruby Rocks / Rosamund du Prix / Riva / Iga Lisowski2025FilmDimension 20 Live: Battle at the Bowlas Adaine Abernant2025FilmDimension 20 Live: Gauntlet at the Gardenas Misty Moore2025FilmThe Roll of a Lifetime: How Dimension 20 Sold Out Madison Square Gardenas Self - Cast Member2025FilmThe Scripted Muppet Caperas Lady Holiday2024TVGastronautsas Self - Judge2024TVDimension 20: Time Quangleas Rowan Berry2024TVThousandairesas Self - Host2024TVSmartypantsas Self - Society Member2024FilmThe Disruptorsas Melissa2023FilmThe Legendary Rick Perry and the Art of Dimension 20as Self (archive footage)2022TVDirty Laundryas Self - Guest2021TVDimension 20 Animatedas Riva (voice)2020TVDimension 20's Adventuring Partyas Self2019TVGame Changeras Self - Contestant2019TVFantasy High: Extra Creditas Self2019TVTroopers: Rise of the Budgetas TR-45HY "Trashy" (voice)2019TVThe Rank Roomas Self2019TVTotal Forgivenessas Self2019TVWTF 101as Amsterdam Woman (voice)2018TVAdventuring Academyas Self2018TVUm, Actually...as Self - Contestant2018TVDimension 20as Adaine Abernant2018TVBreaking News: No Laugh Newsroomas O.K. Simpson2016TVCollegeHumor Does the Purgeas Siobhan2016TVBad Internetas The Hermione2015TVCollegeHumor Goes to Hellas Siobhan2015TVUm, Actually: The Web Seriesas Self - Contestant2014TVBroad Cityas Leigh2003TVArrested Developmentas British Reporter
