Portrait of Okieriete Onaodowan

Okieriete Onaodowan

Acting

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.

Born: August 16, 1987

Place of Birth: Newark, New Jersey, USA

Filmography

2025
Hamilton

as Hercules Mulligan / James Madison

2025
Demascus

as Demascus

2023
American Fiction

as Van Go Jenkins

2023
Scavengers Reign

as Station Chief (voice)

2021
A Quiet Place Part II

as Police Officer

2020
2018
The Super

as Cal

2018
Tom Clancy's Jack Ryan

as Adebayo 'Ade' Osoji

2018
Station 19

as Dean Miller

2017
She's Gotta Have It

as Slick Willie

2017
2016
Billions

as Leon

2015
Ballers

as Anthony

2014
BoJack Horseman

as Mike (voice)

2010
Blue Bloods

as Damon Williams

2005
Grey's Anatomy

as Dean Miller

2005
Robot Chicken

as The Night King / Grim Reaper / Swan (voice)

1990
Law & Order

as Mike Keyz