Grant O'Brien

Grant O'Brien

Acting

Born May 15, 1986 · Columbus, Ohio, USA

1 film as director · Active 2019–2019

Known for

Smartypants

Smartypants

2024

Smartypants

Smartypants

2024

Dimension 20

Dimension 20

2018

Game Changer

Game Changer

2019

Game Changer

Game Changer

2019

Game Changer

Game Changer

2019

Game Changer

Game Changer

2019

Game Changer

Game Changer

2019

Directed(1)

No films found.

Acting(41)

2025Katie & Erika Throw the Perfect Father’s Day PartySelf

2025Parlor Room

2025Katie and Erika Throw The Perfect (Valentine’s Day) PartySelf

2024GastronautsSelf - Judge

2024Chris Grace: As Scarlett JohanssonGrant O'Brien

2024Monét's Slumber PartySelf - Party Guest

2024ThousandairesSelf - Contestant

2024SmartypantsSelf - Society Member

2024Trolley ProblemsSelf - Contestant

2024The DisruptorsWill Kerrigan

2024Pretty GaySelf

2022Make Some NoiseSelf - Surprise Guest

2022Dirty LaundrySelf - Bartender

2021Dimension 20 AnimatedDetective Sylvester Cross (voice)

2020Erotic ClubhouseSelf - Guest Host

2020Dimension 20's Adventuring PartySelf

2019Where in the Eff is Sarah Cincinnati?Self - Contestant

2019Ultramechatron Team Go!Baby Boomer (voice)

2019Game ChangerSelf - Contestant

2019Gods of FoodCop

2019Plus OneGreg

2019Kingpin KatieGrant O'Brien

2019ParanoiaSelf - Citizen

2019Troopers: Rise of the BudgetWilsaban

2019DownbeatCharles

2019The Rank RoomSelf

2019Total ForgivenessSelf

2019WTF 101Frederick Hoelzel (voice)

2018Erotic Book ClubSelf - Guest

2018Tales from the ClosetSelf

2018Um, Actually...Self - Contestant

2018Cartoon HellPants Palace Announcer (voice)

2018See Plum Run

2018Dimension 20Detective Sylvester Cross

2018The Rank Room: The Web SeriesSelf

2018Breaking News: No Laugh NewsroomSelf

2017Without A RecipeSelf - Judge

2016CollegeHumor Does the PurgeGrant

2016Bad Internet

2015CollegeHumor Goes to HellGrant

Total ForgivenessSelf

Grant O'Brien — Watchpile | Watchpile