Brennan Lee Mulligan

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

Best-Known Movies

D(e)ad

2025

Bigger! With Brennan and Izzy

2024

Chris Grace: As Scarlett Johansson

2024

The Legendary Rick Perry and the Art of Dimension 20

2023

Bev

2016

The Candlenights 2021 Special

2021

Restroom

2019

Fallen For You

2017

Dimension 20: Misfits and Magic Holiday Special

2021

Crown Prince

2017

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

2026	Dimension 20 Live: Viva Más Vegas	Writer
2025	Dimension 20 Live: Quangle Quest	Writer
2025	Dimension 20 Live: Battle at the Bowl	Writer
2025	Dimension 20 Live: Gauntlet at the Garden	Writer
2024	Bigger! With Brennan and Izzy	Writer
2022	Exandria Unlimited: Calamity	Director, Writer
2017	Fallen For You	Writer

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