Brennan Lee Mulligan
Brennan Lee Mulligan is an actor and writer known for Dimension 20, College Humor, and Strong Female Protagonist.
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Movies (25)

American Woodcock
2026 · Birding Man (voice)

Dropout Presents an Improvised Reunion for a Movie that Doesn’t Exist
2026 · Self

Crossed Animals
2026 · Thanks

Muppet Treasure Scriptland
2026 · Long John Silver

Wealwell's Guide to Reposed Standing
2026 · Wealwell Gotch (voice), Additional Writing

Dimension 20 Live: Viva Más Vegas
2026 · Game Master, Creator, Executive Producer, Writer

Dimension 20 Live: Quangle Quest
2025 · Game Master, Creator, Executive Producer, Writer

Dimension 20 Live: Battle at the Bowl
2025 · Game Master, Creator, Executive Producer, Writer

D(e)ad
2025 · Owen from Science Care, Executive Producer

Critical Role Live: Oaths & Ash
2025 · Self

Dimension 20 Live: Gauntlet at the Garden
2025 · Game Master, Executive Producer, Writer, Creator

The Roll of a Lifetime: How Dimension 20 Sold Out Madison Square Garden
2025 · Self - Creator of Dimension 20 / Game Master / Dungeon Master, Executive Producer

Katie and Erika Throw The Perfect (Valentine’s Day) Party
2025 · Self

Chris Grace: As Scarlett Johansson
2024 · Brennan Lee Mulligan

Bigger! With Brennan and Izzy
2024 · Self, Writer

The Legendary Rick Perry and the Art of Dimension 20
2023 · Self

Exandria Unlimited: Calamity
2022 · Game Master, Director, Writer

The Candlenights 2021 Special
2021 · Self

Dimension 20: Misfits and Magic Holiday Special
2021 · Evan Kelmp, Creator, Executive Producer

Restroom
2019

Crown Prince
2017 · Bartender

Fallen For You
2017 · Todd, Writer, Creator

Nancy
2016

Bev
2016 · Bev

Zenith
2010 · Transportation Captain
TV shows (52)

Jeopardy! YouTube Edition
2026 · Self - Contestant, Self - Former Winner

Toonout
2026 · Wealwell Gotch (voice), Birding Man (voice), Additional Writing, Thanks

Tale Gate
2026 · Self

Crowd Control
2025 · Self

Parlor Room
2025 · Self

Wildemount Wildlings
2025 · Padmund Pondhop

Game Changer Animated
2024 · Self (voice)

In Tandem with Chloe Radcliffe
2024 · Self

Gastronauts
2024 · Self - Judge

Dimension 20: Time Quangle
2024 · Game Master, Executive Producer, Creator

Dimension 20 Live
2024 · Creator

Monét's Slumber Party
2024 · Self - Party Guest

Thousandaires
2024 · Self - Guest (voice)

Fireside Chat
2024 · Self

Critical Role Cooldown
2024 · Self

Critical Role Abridged
2024 · Self, Game Master

ted
2024 · Chris

Very Important People
2023 · Augbert, Greg Excitement, Archimedes

The Ultimate Improv Show
2023 · Self

Candela Obscura
2023 · Sean Finnerty

Foul Play
2023 · Writer

Make Some Noise
2022 · Self - Player, Self - Gift Prompt (video footage)

Dirty Laundry
2022 · Self - Guest

4-Sided Dive
2022 · Self

Battle for Beyond
2021 · Nikhil

Last Meals
2021 · Self

Dimension 20 Animated
2021 · Lucretia "Lucy" Brockhollow (voice), Bazathrax (voice), Arthur Aguefort / Mr. Gibbons (voice), Sir Keradin Deeproot / Commander Constano Grissini (voice), Announcer / Old Pirate / Garthy O'Brien / Trixie (voice), Evan Kelmp (voice), Plug Strutt (voice), Sir Morris Brie (voice), Vercadian Protector Droid (voice), Bird (voice), Donal / Augbert (voice), Baron from the Baronies (voice), Big Gun Barry Nyne (voice)

Exandria Unlimited
2021 · Game Master

Dimension 20's Adventuring Party
2020 · Self, Creator

Puppet History
2020 · Self

Ultramechatron Team Go!
2019 · Galatax

Game Changer
2019 · Self - Contestant, Self (archive footage), Self - Guest, Self - Katie's Players, Self - Host / Minotaur, Co-Executive Producer

Fantasy High: Extra Credit
2019 · Self - Host, Creator

Gods of Food
2019 · Writer

Kingpin Katie
2019 · Brennan Lee Mulligan

Troopers: Rise of the Budget
2019 · IT-1, Gooby (voice), Writer

Downbeat
2019 · Tourist

The Rank Room
2019 · Self

Total Forgiveness
2019 · Self

WTF 101
2019 · Gregor MacGregor (voice)

Adventuring Academy
2018 · Self - Host, Creator

Ultramechatron Team Go!: The Web Series
2018 · Manila Gorilla, Crab, Jorthog, Galatax

Liverspots and Astronots
2018 · Lancery

Um, Actually...
2018 · Self - Contestant, Writer

Cartoon Hell
2018 · Wrong Kong (voice), Skully (voice), Mr. Peterson (voice), Waiter / Starch Angel Gabriel (voice), Trundle (voice), King Mannybabies (voice), Cutter (voice), Warrior / Boy (voice), Scientist (voice), Hell-O Daddy (voice)

Dimension 20
2018 · Bishop Raphaniel, Evan Kelmp, Tula, Capt. K.P. Hob, Game Master, Hat, Executive Producer, Creator

The Rank Room: The Web Series
2018 · Self

Breaking News: No Laugh Newsroom
2018 · Buck Fruckster, Peaches Bitch, D🍩m Th🍩mps🍩n, Rick K. Brick, Carl Candy, Dr. Tristin Chambers, Howard, Deuce Bigalow Irish Seamstress, Temple Grandin Jr., Daisy Dukes, Paul Porridge, Teresa MyPizza, Romeo Romeo, Pat Bieberson, Adele Dazeem, Unknown 12 Year Old Boy, Peaky Blinders, Homer Barris, Flail Sporadically, Sam Rish, Handsome Anthony, 50, Sexy Hustler, Ashton Yellowbut, Macro Pubio, Ryan Beans, Thomas Tickle, "Stone Cold" Steve Penis

A Message From the CEO
2018 · David Taylor / Tide CEO, Brian Hat / ABC CEO, Rob Shelf / Venmo CEO, Jonathan Floor / MoviePass CEO, Harry Pancake / Tumblr CEO, Matt Stool / JUUL CEO, Dan Spoon / GoFundMe CEO, Landon Bablandananavan / Skype CEO, Carl Box / Oreo CEO, Mark Hardstart / Midland Park Hardware Owner, Writer, Creator

Critical Role
2015 · Game Master, Self

Um, Actually: The Web Series
2015 · Self - Contestant
Exandria Unlimited
· GM



