Siobhan Thompson
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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
Credits
Muppet Treasure Scriptland (2026)
as Jim Hawkins
Katie & Erika Throw the Perfect Father’s Day Party (2025)
as Self
Dimension 20 Live: Viva Más Vegas (2026)
as Riva
Dimension 20 Live: Battle at the Bowl (2025)
as Adaine Abernant
Wealwell's Guide to Reposed Standing (2026)
as Vanellope Chapman (voice)
Dimension 20 Live: Quangle Quest (2025)
as Adaine Abernant / Ruby Rocks / Rosamund du Prix / Riva / Iga Lisowski
The Scripted Muppet Caper (2025)
as Lady Holiday
The Disruptors (2024)
as Melissa
The Legendary Rick Perry and the Art of Dimension 20 (2023)
as Self (archive footage)
The Roll of a Lifetime: How Dimension 20 Sold Out Madison Square Garden (2025)
as Self - Cast Member
Dimension 20 Live: Gauntlet at the Garden (2025)
as Misty Moore