Siobhan Thompson
Known for ActingBorn 1984-07-29
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
Muppet Treasure Scriptland
2026 · as Jim Hawkins
Katie & Erika Throw the Perfect Father’s Day Party
2025 · as Self
Dimension 20 Live: Quangle Quest
2025 · as Adaine Abernant / Ruby Rocks / Rosamund du Prix / Riva / Iga Lisowski
The Disruptors
2024 · as Melissa
Dimension 20 Live: Battle at the Bowl
2025 · as Adaine Abernant
Dimension 20 Live: Viva Más Vegas
2026 · as Riva
The Scripted Muppet Caper
2025 · as Lady Holiday
Dimension 20 Live: Gauntlet at the Garden
2025 · as Misty Moore
Wealwell's Guide to Reposed Standing
2026 · as Vanellope Chapman (voice)
The Roll of a Lifetime: How Dimension 20 Sold Out Madison Square Garden
2025 · as Self - Cast Member
The Legendary Rick Perry and the Art of Dimension 20
2023 · as Self (archive footage)