Brennan Lee Mulligan
Biography
Brennan Lee Mulligan is an actor and writer known for Dimension 20, College Humor, and Strong Female Protagonist.
Known For
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Filmography
Acting (73)
Movies (18)
Dimension 20 Live: Viva Más Vegas
2026as Game Master
D20 on a Bus: Season 2
2026as Hat
D(e)ad
2025as Owen from Science Care
Dimension 20 Live: Battle at the Bowl
2025as Game Master
Dimension 20 Live: Gauntlet at the Garden
2025as Game Master
Critical Role Live: Oaths & Ash
2025as Self
Dimension 20 Live: Quangle Quest
2025as Game Master
The Roll of a Lifetime: How Dimension 20 Sold Out Madison Square Garden
2025as Self - Creator of Dimension 20 / Game Master / Dungeon Master
Bigger! With Brennan and Izzy
2024as Self
Chris Grace: As Scarlett Johansson
2024as Brennan Lee Mulligan
The Legendary Rick Perry and the Art of Dimension 20
2023as Self
Dimension 20: Misfits and Magic Holiday Special
2021as Evan Kelmp
The Candlenights 2021 Special
2021as Self
Restroom
2019
Crown Prince
2017as Bartender
Fallen For You
2017as Todd
Nancy
2016
Bev
2016as Bev
Television (55)
Tale Gate
2026as Self
Jeopardy! YouTube Edition
2026as Self
Parlor Room
2025as Self
Crowd Control
2025as Self
Ask Hank Anything
2025as Self (Guest)
Wildemount Wildlings
2025as Padmund Pondhop
ted
2024as Chris
Critical Role Abridged
2024as Self
Monét's Slumber Party
2024as Self - Party Guest
Critical Role Cooldown
2024as Self
Critical Role Cooldown
2024as Self
Dimension 20: Time Quangle
2024as Game Master
Fireside Chat
2024as Self
Gastronauts
2024as Self - Judge
Game Changer Animated
2024as Self (voice)
Thousandaires
2024as Self - Guest (voice)
Dimension 20 Live
2024
Very Important People
2023as Self / Augbert
Candela Obscura
2023as Sean Finnerty
Candela Obscura
2023as Self
Dirty Laundry
2022as Self - Guest
Celebrity Jeopardy!
2022as Self - Contestant
Make Some Noise
2022as Self - Gift Prompt (video footage)
4-Sided Dive
2022as Self
Dimension 20 Animated
2021as Lucretia "Lucy" Brockhollow (voice)
Exandria Unlimited
2021as Game Master
Exandria Unlimited
2021as Self
Battle for Beyond
2021as Nikhil
Dimension 20's Adventuring Party
2020as Self
Dimension 20's Adventuring Party
2020as Self
Puppet History
2020as Self
Game Changer
2019as Little Hat
Troopers: Rise of the Budget
2019as IT-1
WTF 101
2019as Gregor MacGregor (voice)
Ultramechatron Team Go!
2019as Self
The Rank Room
2019as Self
Downbeat
2019as Tourist
Fantasy High: Extra Credit
2019as Self - Host
Total Forgiveness
2019as Self
Kingpin Katie
2019as Brennan Lee Mulligan
Critical Role One-Shots
2019as Brigidda
Dimension 20
2018as Capt. K.P. Hob
Dimension 20
2018as Narrator (voice) / Self (archive footage)
Breaking News: No Laugh Newsroom
2018as Buck Fruckster
Um, Actually...
2018as Self
Adventuring Academy
2018as Self - Host
Cartoon Hell
2018as Wrong Kong (voice)
Liverspots and Astronots
2018as Lancery
The Rank Room: The Web Series
2018as Self
Ultramechatron Team Go!: The Web Series
2018as Manila Gorilla
A Message From the CEO
2018as Jonathan Floor / MoviePass CEO
Critical Role
2015as Game Master
Critical Role
2015as Brigidda
Um, Actually: The Web Series
2015as Self - Contestant
Exandria Unlimited
as GM
Crew (24)
Movies (16)
Dimension 20 Live: Viva Más Vegas
2026Creator
Dimension 20 Live: Viva Más Vegas
2026Executive Producer
Dimension 20 Live: Viva Más Vegas
2026Writer
D20 on a Bus: Season 2
2026Executive Producer
D(e)ad
2025Executive Producer
Dimension 20 Live: Battle at the Bowl
2025Creator
Dimension 20 Live: Gauntlet at the Garden
2025Creator
Dimension 20 Live: Gauntlet at the Garden
2025Executive Producer
Dimension 20 Live: Gauntlet at the Garden
2025Writer
Dimension 20 Live: Quangle Quest
2025Creator
The Roll of a Lifetime: How Dimension 20 Sold Out Madison Square Garden
2025Executive Producer
Bigger! With Brennan and Izzy
2024Writer
Dimension 20: Misfits and Magic Holiday Special
2021Creator
Dimension 20: Misfits and Magic Holiday Special
2021Executive Producer
Fallen For You
2017Writer
Zenith
2010Transportation Captain
Television (8)
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