Okieriete "Oak" Onaodowan (born August 16, 1987) is an American actor, known for originating the roles of Hercules Mulligan and James Madison in the 2015 musical Hamilton, and the role of Dean Miller in the ABC drama and Grey's Anatomy spin-off series Station 19.

KNOWN FOR

Law & Order: Special Victims Unit
2016
Grey's Anatomy
2018
Law & Order
2024
Blue Bloods
2014
Robot Chicken
2021
Billions
2022
BoJack Horseman
2019
Station 19
2018
Tom Clancy's Jack Ryan
2023
Celebrity Family Feud
2018
Ballers
2016
One Night Only
2026

FILMOGRAPHY

All
Movies
TV
Acting
31
2026
One Night Only
as Tejan
2025
Hamilton
as Hercules Mulligan / James Madison
2025
Hamilton: Reuniting the Revolution
as Self
2025
Demascus
as Demascus
2024
Molli and Max in the Future
as Moebius
2024
Law & Order
as Mike Keyz
2023
The Family Meeting
as Zach
2023
American Fiction
as Van Go Jenkins
2023
Tom Clancy's Jack Ryan
as Adebayo 'Ade' Osoji
2023
Scavengers Reign
as Station Chief (voice)
2022
Billions
as Leon
2022
Jurassic World Camp Cretaceous
as Mr. Gold (voice)
2021
A Quiet Place Part II
as Police Officer
2021
Generation Wrecks
2021
Robot Chicken
as The Night King / Grim Reaper / Swan (voice)
2020
The Undefeated Presents: Hamilton In-Depth
as Self
2020
Elegies for Angels, Punks and Raging Queens
as Paul
2020
Some Good News
as Self
2019
BoJack Horseman
as Mike (voice)
2018
The Super
as Cal
2018
Station 19
as Dean Miller
2018
Celebrity Family Feud
as Self
2018
Grey's Anatomy
as Dean Miller
2017
Person to Person
as Lester
2017
Anna & the Asteroid
as Ben
2017
She's Gotta Have It
as Slick Willie
2016
Hamilton's America
as Self
2016
Ballers
as Anthony
2016
Law & Order: Special Victims Unit
as Cash Lewis
2014
Blue Bloods
as Damon Williams
2013
Thanks for Sharing
as Lou