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