Brennan Lee Mulligan
Brennan Lee Mulligan is an American comedian, actor, writer, and gamemaster. He often works with Dropout as a writer, performer, and producer. He is the creator and regular gamemaster for Dropout's actual play series Dimension 20 as well as the dungeon master for the first four seasons of the creator-owned actual play podcast Worlds Beyond Number and the fourth campaign of the actual play web series Critical Role. He also wrote the superhero webcomic Strong Female Protagonist alongside artist Lee Knox Ostertag.
WikipediaFrequent Collaborators
🎬 Movies
Dropout Presents an Improvised Reunion for a Movie that Doesn’t Exist
actor
2026
Muppet Treasure Scriptland
actor
2026
Dimension 20: On a Bus
actor
2026
Dimension 20 Live: Viva Más Vegas
actor
2026
Dimension 20 Live: Viva Más Vegas
writer
2026
Dimension 20 Live: Quangle Quest
writer
2025
Dimension 20 Live: Quangle Quest
actor
2025
Dimension 20 Live: Battle at the Bowl
actor
2025
Dimension 20 Live: Battle at the Bowl
writer
2025
D(e)ad
actor
2025
Critical Role Live: Oaths & Ash
actor
2025
Dimension 20 Live: Gauntlet at the Garden
writer
2025
Dimension 20 Live: Gauntlet at the Garden
actor
2025
The Roll of a Lifetime: How Dimension 20 Sold Out Madison Square Garden
actor
2025
Katie and Erika Throw The Perfect (Valentine’s Day) Party
actor
2025
Exandria Unlimited: Calamity
writer
2022
Exandria Unlimited: Calamity
director
2022
Exandria Unlimited: Calamity
actor
2022
Dimension 20: Misfits and Magic Holiday Special
actor
2021