Biography and filmography

Brennan Lee Mulligan

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

Photos

Movies (25)

American Woodcock

American Woodcock

2026 · Birding Man (voice)

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

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

2026 · Self

Crossed Animals

Crossed Animals

2026 · Thanks

Muppet Treasure Scriptland

Muppet Treasure Scriptland

2026 · Long John Silver

Wealwell's Guide to Reposed Standing

Wealwell's Guide to Reposed Standing

2026 · Wealwell Gotch (voice), Additional Writing

Dimension 20 Live: Viva Más Vegas

Dimension 20 Live: Viva Más Vegas

2026 · Game Master, Creator, Executive Producer, Writer

Dimension 20 Live: Quangle Quest

Dimension 20 Live: Quangle Quest

2025 · Game Master, Creator, Executive Producer, Writer

Dimension 20 Live: Battle at the Bowl

Dimension 20 Live: Battle at the Bowl

2025 · Game Master, Creator, Executive Producer, Writer

D(e)ad

D(e)ad

2025 · Owen from Science Care, Executive Producer

Critical Role Live: Oaths & Ash

Critical Role Live: Oaths & Ash

2025 · Self

Dimension 20 Live: Gauntlet at the Garden

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

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

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

2025 · Self

Chris Grace: As Scarlett Johansson

Chris Grace: As Scarlett Johansson

2024 · Brennan Lee Mulligan

Bigger! With Brennan and Izzy

Bigger! With Brennan and Izzy

2024 · Self, Writer

The Legendary Rick Perry and the Art of Dimension 20

The Legendary Rick Perry and the Art of Dimension 20

2023 · Self

Exandria Unlimited: Calamity

Exandria Unlimited: Calamity

2022 · Game Master, Director, Writer

The Candlenights 2021 Special

The Candlenights 2021 Special

2021 · Self

Dimension 20: Misfits and Magic Holiday Special

Dimension 20: Misfits and Magic Holiday Special

2021 · Evan Kelmp, Creator, Executive Producer

Restroom

Restroom

2019

Crown Prince

Crown Prince

2017 · Bartender

Fallen For You

Fallen For You

2017 · Todd, Writer, Creator

Nancy

Nancy

2016

Bev

Bev

2016 · Bev

Zenith

Zenith

2010 · Transportation Captain

TV shows (52)

Jeopardy! YouTube Edition

Jeopardy! YouTube Edition

2026 · Self - Contestant, Self - Former Winner

Toonout

Toonout

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

Tale Gate

Tale Gate

2026 · Self

Crowd Control

Crowd Control

2025 · Self

Parlor Room

Parlor Room

2025 · Self

Wildemount Wildlings

Wildemount Wildlings

2025 · Padmund Pondhop

Game Changer Animated

Game Changer Animated

2024 · Self (voice)

In Tandem with Chloe Radcliffe

In Tandem with Chloe Radcliffe

2024 · Self

Gastronauts

Gastronauts

2024 · Self - Judge

Dimension 20: Time Quangle

Dimension 20: Time Quangle

2024 · Game Master, Executive Producer, Creator

Dimension 20 Live

Dimension 20 Live

2024 · Creator

Monét's Slumber Party

Monét's Slumber Party

2024 · Self - Party Guest

Thousandaires

Thousandaires

2024 · Self - Guest (voice)

Fireside Chat

Fireside Chat

2024 · Self

Critical Role Cooldown

Critical Role Cooldown

2024 · Self

Critical Role Abridged

Critical Role Abridged

2024 · Self, Game Master

ted

ted

2024 · Chris

Very Important People

Very Important People

2023 · Augbert, Greg Excitement, Archimedes

The Ultimate Improv Show

The Ultimate Improv Show

2023 · Self

Candela Obscura

Candela Obscura

2023 · Sean Finnerty

Foul Play

Foul Play

2023 · Writer

Make Some Noise

Make Some Noise

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

Dirty Laundry

Dirty Laundry

2022 · Self - Guest

4-Sided Dive

4-Sided Dive

2022 · Self

Battle for Beyond

Battle for Beyond

2021 · Nikhil

Last Meals

Last Meals

2021 · Self

Dimension 20 Animated

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

Exandria Unlimited

2021 · Game Master

Dimension 20's Adventuring Party

Dimension 20's Adventuring Party

2020 · Self, Creator

Puppet History

Puppet History

2020 · Self

Ultramechatron Team Go!

Ultramechatron Team Go!

2019 · Galatax

Game Changer

Game Changer

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

Fantasy High: Extra Credit

Fantasy High: Extra Credit

2019 · Self - Host, Creator

Gods of Food

Gods of Food

2019 · Writer

Kingpin Katie

Kingpin Katie

2019 · Brennan Lee Mulligan

Troopers: Rise of the Budget

Troopers: Rise of the Budget

2019 · IT-1, Gooby (voice), Writer

Downbeat

Downbeat

2019 · Tourist

The Rank Room

The Rank Room

2019 · Self

Total Forgiveness

Total Forgiveness

2019 · Self

WTF 101

WTF 101

2019 · Gregor MacGregor (voice)

Adventuring Academy

Adventuring Academy

2018 · Self - Host, Creator

Ultramechatron Team Go!: The Web Series

Ultramechatron Team Go!: The Web Series

2018 · Manila Gorilla, Crab, Jorthog, Galatax

Liverspots and Astronots

Liverspots and Astronots

2018 · Lancery

Um, Actually...

Um, Actually...

2018 · Self - Contestant, Writer

Cartoon Hell

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

Dimension 20

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

The Rank Room: The Web Series

The Rank Room: The Web Series

2018 · Self

Breaking News: No Laugh Newsroom

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

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

Critical Role

2015 · Game Master, Self

Um, Actually: The Web Series

Um, Actually: The Web Series

2015 · Self - Contestant

Exandria Unlimited

Exandria Unlimited

· GM