Actor profile

Siobhan Thompson

29th July 1984 Acting

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.

10 Movies 25 TV Shows 35 Credits

Filmography

Movies & TV Shows

Muppet Treasure Scriptland 12th May 2026 as Jim Hawkins

Wealwell's Guide to Reposed Standing poster

Wealwell's Guide to Reposed Standing 5th May 2026 as Vanellope Chapman (voice)

Dimension 20 Live: Viva Más Vegas poster

Dimension 20 Live: Viva Más Vegas 11th March 2026 as Riva

Dimension 20 Live: Quangle Quest poster

Dimension 20 Live: Quangle Quest 10th December 2025 as Adaine Abernant / Ruby Rocks / Rosamund du Prix / Riva / Iga Lisowski

Dimension 20 Live: Battle at the Bowl poster

Dimension 20 Live: Battle at the Bowl 12th November 2025 as Adaine Abernant

Dimension 20 Live: Gauntlet at the Garden poster

Dimension 20 Live: Gauntlet at the Garden 13th May 2025 as Misty Moore

The Roll of a Lifetime: How Dimension 20 Sold Out Madison Square Garden poster

The Roll of a Lifetime: How Dimension 20 Sold Out Madison Square Garden 7th May 2025 as Self - Cast Member

The Scripted Muppet Caper poster

The Scripted Muppet Caper 5th May 2025 as Lady Holiday

The Disruptors poster

The Disruptors 23rd February 2024 as Melissa

The Legendary Rick Perry and the Art of Dimension 20 poster

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

Toonout poster

Toonout 24th March 2026 as Vanellope Chapman (voice)

Gastronauts poster

Gastronauts 11th October 2024 as Self - Judge

Dimension 20 Live poster

Dimension 20 Live 12th September 2024

Dimension 20: Time Quangle poster

Dimension 20: Time Quangle 12th September 2024 as Ruby Rocks

Thousandaires poster

Thousandaires 31st May 2024 as Self - Host

Smartypants poster

Smartypants 25th April 2024 as Self - Presenter

Dirty Laundry poster

Dirty Laundry 11th April 2022 as Self - Guest

Dimension 20 Animated poster

Dimension 20 Animated 3rd August 2021 as Adaine Abernant (voice)

Dimension 20's Adventuring Party poster

Dimension 20's Adventuring Party 8th April 2020 as Self

Game Changer poster

Game Changer 20th September 2019 as The Voicemail Musical

Fantasy High: Extra Credit poster

Fantasy High: Extra Credit 28th August 2019 as Self

Troopers: Rise of the Budget poster

Troopers: Rise of the Budget 8th April 2019 as TR-45HY "Trashy" (voice)

The Rank Room poster

The Rank Room 7th March 2019 as Self

Total Forgiveness poster

Total Forgiveness 6th February 2019 as Self

WTF 101 poster

WTF 101 7th January 2019 as Mary Toft (voice)

Adventuring Academy poster

Adventuring Academy 19th December 2018 as Self

Um, Actually... poster

Um, Actually... 28th September 2018 as Self - Contestant

Dimension 20 poster

Dimension 20 19th September 2018 as La Contesse Madeleine d'Artois

Breaking News: No Laugh Newsroom poster

Breaking News: No Laugh Newsroom 7th July 2018 as Jessica Crispy

CollegeHumor Does the Purge poster

CollegeHumor Does the Purge 24th October 2016 as Siobhan

Bad Internet poster

Bad Internet 25th May 2016

CollegeHumor Goes to Hell poster

CollegeHumor Goes to Hell 27th October 2015 as Siobhan

Um, Actually: The Web Series poster

Um, Actually: The Web Series 17th January 2015 as Self - Contestant

Broad City poster

Broad City 22nd January 2014 as Leigh

Arrested Development poster

Arrested Development 2nd November 2003 as British Reporter