Okieriete Onaodowan

1987 (39) • Acting

Born: 8/16/1987 (39) in Newark, New Jersey, USA

Known for: Acting

Okieriete Onaodowan

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

Grey's Anatomy

82%

Dean Miller

2005

A Quiet Place Part II

74%

Police Officer

2021

Law & Order: Special Victims Unit

80%

Cash Lewis

1999

BoJack Horseman

85%

Mike (voice)

2014

Tom Clancy's Jack Ryan

77%

Adebayo 'Ade' Osoji

2018

Station 19

82%

Dean Miller

2018

Billions

78%

Leon

2016

Blue Bloods

78%

Damon Williams

2010

One Night Only

65%

Tejan

2026

Hamilton: Reuniting the Revolution

Self

2025

Hamilton

79%

Hercules Mulligan / James Madison

2025

Demascus

76%

Demascus

2025

Molli and Max in the Future

65%

Moebius

2024

American Fiction

72%

Van Go Jenkins

2023

Scavengers Reign

85%

Station Chief (voice)

2023

The Family Meeting

20%

Zach

2023

Generation Wrecks

2021

A Quiet Place Part II

74%

Police Officer

2021

Elegies for Angels, Punks and Raging Queens

Paul

2020

The Undefeated Presents: Hamilton In-Depth

75%

Self

2020

Some Good News

64%

Self

2020

The Super

51%

Cal

2018

Tom Clancy's Jack Ryan

77%

Adebayo 'Ade' Osoji

2018

Station 19

82%

Dean Miller

2018

She's Gotta Have It

63%

Slick Willie

2017

Anna & the Asteroid

Ben

2017

Person to Person

52%

Lester

2017

Hamilton's America

67%

Self

2016

Billions

78%

Leon

2016

Ballers

68%

Anthony

2015

Celebrity Family Feud

77%

Self

2015

BoJack Horseman

85%

Mike (voice)

2014

Thanks for Sharing

60%

Lou

2013

Blue Bloods

78%

Damon Williams

2010

Grey's Anatomy

82%

Dean Miller

2005

Robot Chicken

76%

The Night King / Grim Reaper / Swan (voice)

2005