Brennan Lee Mulligan
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Brennan Lee Mulligan is an actor and writer known for Dimension 20, College Humor, and Strong Female Protagonist.
Known for
Credits
Critical Role Live: Oaths & Ash (2025)
as Self
D(e)ad (2025)
as Owen from Science Care
Muppet Treasure Scriptland (2026)
as Long John Silver
Exandria Unlimited: Calamity (2022)
as Game Master
Katie and Erika Throw The Perfect (Valentine’s Day) Party (2025)
as Self
Dimension 20 Live: Quangle Quest (2025)
as Game Master
Dropout Presents an Improvised Reunion for a Movie that Doesn’t Exist (2026)
as Self
The Candlenights 2021 Special (2021)
as Self
Dimension 20 Live: Viva Más Vegas (2026)
as Game Master
Dimension 20 Live: Battle at the Bowl (2025)
as Game Master
Wealwell's Guide to Reposed Standing (2026)
as Wealwell Gotch (voice)
Crown Prince (2017)
as Bartender
Chris Grace: As Scarlett Johansson (2024)
as Brennan Lee Mulligan
The Legendary Rick Perry and the Art of Dimension 20 (2023)
as Self
Dimension 20 Live: Gauntlet at the Garden (2025)
as Game Master
Bigger! With Brennan and Izzy (2024)
as Self
Restroom (2019)
Actor
Dimension 20: Misfits and Magic Holiday Special (2021)
as Evan Kelmp
The Roll of a Lifetime: How Dimension 20 Sold Out Madison Square Garden (2025)
as Self - Creator of Dimension 20 / Game Master / Dungeon Master
Fallen For You (2017)
as Todd
Bev (2016)
as Bev
Nancy (2016)
Actor