Siobhan Thompson

Siobhan Thompson

Acting

Born July 29, 1984

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…

Known for

Arrested Development

Arrested Development

2003

Broad City

Broad City

2014

Dimension 20

Dimension 20

2018

Dimension 20

Dimension 20

2018

Dimension 20

Dimension 20

2018

Dimension 20

Dimension 20

2018

Dimension 20

Dimension 20

2018

Dimension 20

Dimension 20

2018

Acting(37)

2026Muppet Treasure ScriptlandJim Hawkins

2026Wealwell's Guide to Reposed StandingVanellope Chapman (voice)

2026ToonoutVanellope Chapman (voice)

2026Dimension 20 Live: Viva Más VegasRiva

2025Dimension 20 Live: Quangle QuestAdaine Abernant / Ruby Rocks / Rosamund du Prix / Riva / Iga Lisowski

2025Dimension 20 Live: Battle at the BowlAdaine Abernant

2025Katie & Erika Throw the Perfect Father’s Day PartySelf

2025Dimension 20 Live: Gauntlet at the GardenMisty Moore

2025The Roll of a Lifetime: How Dimension 20 Sold Out Madison Square GardenSelf - Cast Member

2025The Scripted Muppet CaperLady Holiday

2024The Voicemail the Musical

2024GastronautsSelf - Judge

2024Dimension 20: Time QuangleRowan Berry

2024Dimension 20 Live

2024ThousandairesSelf - Host

2024SmartypantsSelf - Society Member

2024The DisruptorsMelissa

2023The Legendary Rick Perry and the Art of Dimension 20Self (archive footage)

2022Dirty LaundrySelf - Guest

2021Dimension 20 AnimatedRuby Rocks (voice)

2020Dimension 20's Adventuring PartySelf

2019Game ChangerSelf - Contestant

2019Fantasy High: Extra CreditSelf

2019Troopers: Rise of the BudgetTR-45HY "Trashy" (voice)

2019The Rank RoomSelf

2019Total ForgivenessSelf

2019WTF 101Mary Toft (voice)

2018Adventuring AcademySelf

2018Um, Actually...Self - Contestant

2018Dimension 20Adaine Abernant

2018Breaking News: No Laugh NewsroomO.K. Simpson

2016CollegeHumor Does the PurgeSiobhan

2016Bad InternetThe Hermione

2015CollegeHumor Goes to HellSiobhan

2015Um, Actually: The Web SeriesSelf - Contestant

2014Broad CityLeigh

2003Arrested DevelopmentBritish Reporter

Siobhan Thompson — Watchpile | Watchpile