Cast & creator
Okieriete Onaodowan
Best known for Law & Order: Special Victims Unit, Law & Order, Grey's Anatomy
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.
Also known as: Okieriete Onadowan
15
film credits
16
television credits
31
1990–2026 · acting roles
7.0
average across scored titles
Signature credits
Known for
Across film & television
Filmography (31)
Showing 31 of 31 credits
Law & Order: Special Victims Unit
Cash Lewis
1999
Law & Order
Mike Keyz
1990
Grey's Anatomy
Dean Miller
2005
Blue Bloods
Damon Williams
2010
Robot Chicken
The Night King / Grim Reaper / Swan (voice)
2005
BoJack Horseman
Mike (voice)
2014
Billions
Leon
2016
Station 19
Dean Miller
2018
Tom Clancy's Jack Ryan
Adebayo 'Ade' Osoji
2018
Celebrity Family Feud
Self
2015
Ballers
Anthony
2015
One Night Only
Tejan
2026
Jurassic World Camp Cretaceous
Mr. Gold (voice)
2020
A Quiet Place Part II
Police Officer
2021
Scavengers Reign
Station Chief (voice)
2023
American Fiction
Van Go Jenkins
2023
Some Good News
Self
2020
Hamilton
Hercules Mulligan / James Madison
2025
She's Gotta Have It
Slick Willie
2017
Thanks for Sharing
Lou
2013
Demascus
Demascus
2025
The Super
Cal
2018Hamilton: Reuniting the Revolution
Self
2025
Molli and Max in the Future
Moebius
2024
Elegies for Angels, Punks and Raging Queens
Paul
2020
Hamilton's America
Self
2016
The Undefeated Presents: Hamilton In-Depth
Self
2020
Person to Person
Lester
2017
Anna & the Asteroid
Ben
2017
Generation Wrecks
2021
The Family Meeting
Zach
2023