
Okieriete Onaodowan
Biography
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
Movie Appearances

The Family Meeting
as Zach
2023

American Fiction
as Van Go Jenkins
2023

Molli and Max in the Future
as Moebius
2024

Thanks for Sharing
as Lou
2013

The Super
as Cal
2018

Person to Person
as Lester
2017

Anna & the Asteroid
as Ben
2017

A Quiet Place Part II
as Police Officer
2021

Hamilton
as Hercules Mulligan / James Madison
2025

The Undefeated Presents: Hamilton In-Depth
as Self
2020

Hamilton's America
as Self
2016

Elegies for Angels, Punks and Raging Queens
as Paul
2020

Generation Wrecks
2021
Hamilton: Reuniting the Revolution
as Self
2025
TV Appearances

Ballers
as Anthony
2015

Blue Bloods
as Damon Williams
2010

Tom Clancy's Jack Ryan
as Adebayo 'Ade' Osoji
2018

Scavengers Reign
as Station Chief (voice)
2023

Station 19
as Dean Miller
2018

Celebrity Family Feud
as Self
2015

Grey's Anatomy
as Dean Miller
2005

BoJack Horseman
as Mike (voice)
2014

She's Gotta Have It
as Slick Willie
2017

Billions
as Leon
2016

Some Good News
as Self
2020

Demascus
as Demascus
2025