Grant O'Brien
Known for
Dimension 20 Animated
See Plum Run
Dimension 20
Dimension 20's Adventuring Party
Um, Actually...
Breaking News: No Laugh Newsroom
Make Some Noise
Game Changer
WTF 101
Ultramechatron Team Go!Filmography (41)
- 2025
Parlor Room - 2025
Katie & Erika Throw the Perfect Father’s Day PartySelf - 2025
Katie and Erika Throw The Perfect (Valentine’s Day) PartySelf - 2024
Chris Grace: As Scarlett JohanssonGrant O'Brien - 2024
SmartypantsSelf - Society Member - 2024
ThousandairesSelf - Contestant - 2024
The DisruptorsWill Kerrigan - 2024
GastronautsSelf - Judge - 2024
Monét's Slumber PartySelf - Party Guest - 2024
Trolley ProblemsSelf - Contestant - 2024
Pretty GaySelf - 2022
Make Some NoiseSelf - Surprise Guest - 2022
Dirty LaundrySelf - Bartender - 2021
Dimension 20 AnimatedDetective Sylvester Cross (voice) - 2020
Dimension 20's Adventuring PartySelf - 2020
Erotic ClubhouseSelf - Guest Host - 2019
Game ChangerSelf - Contestant - 2019
WTF 101Frederick Hoelzel (voice) - 2019
Ultramechatron Team Go!Baby Boomer (voice) - 2019
Plus OneGreg - 2019
Total ForgivenessSelf - 2019
Kingpin KatieGrant O'Brien - 2019
Gods of FoodCop - 2019
Troopers: Rise of the BudgetWilsaban - 2019
The Rank RoomSelf - 2019
ParanoiaSelf - Citizen - 2019
DownbeatCharles - 2019
Where in the Eff is Sarah Cincinnati?Self - Contestant - 2018
See Plum Run - 2018
Dimension 20Detective Sylvester Cross - 2018
Um, Actually...Self - Contestant - 2018
Breaking News: No Laugh NewsroomSelf - 2018
Cartoon HellPants Palace Announcer (voice) - 2018
The Rank Room: The Web SeriesSelf - 2018
Tales from the ClosetSelf - 2018
Erotic Book ClubSelf - Guest - 2017
Without A RecipeSelf - Judge - 2016
Bad Internet - 2016
CollegeHumor Does the PurgeGrant - 2015
CollegeHumor Goes to HellGrant - —
Total ForgivenessSelf