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.

Known For

Law & Order: Special Victims Unit

Law & Order

Grey's Anatomy

Blue Bloods

Tom Clancy's Jack Ryan

Billions

Robot Chicken

BoJack Horseman

All Movies (15)

• One Night Only2026 · as Tejan
• Hamilton2025 · as Hercules Mulligan / James Madison
• Hamilton: Reuniting the Revolution2025 · as Self
• Molli and Max in the Future2024 · as Moebius
• American Fiction2023 · as Van Go Jenkins
• The Family Meeting2023 · as Zach
• Generation Wrecks2021
• A Quiet Place Part II2021 · as Police Officer
• Elegies for Angels, Punks and Raging Queens2020 · as Paul
• The Undefeated Presents: Hamilton In-Depth2020 · as Self
• The Super2018 · as Cal
• Anna & the Asteroid2017 · as Ben
• Person to Person2017 · as Lester
• Hamilton's America2016 · as Self
• Thanks for Sharing2013 · as Lou

All TV Shows (16)

• Demascus2025 · as Demascus
• Scavengers Reign2023 · as Station Chief (voice)
• Jurassic World Camp Cretaceous2020 · as Mr. Gold (voice)
• Some Good News2020 · as Self
• Tom Clancy's Jack Ryan2018 · as Adebayo 'Ade' Osoji
• Station 192018 · as Dean Miller
• She's Gotta Have It2017 · as Slick Willie
• Billions2016 · as Leon
• Ballers2015 · as Anthony
• Celebrity Family Feud2015 · as Self
• BoJack Horseman2014 · as Mike (voice)
• Blue Bloods2010 · as Damon Williams
• Grey's Anatomy2005 · as Dean Miller
• Robot Chicken2005 · as The Night King / Grim Reaper / Swan (voice)
• Law & Order: Special Victims Unit1999 · as Cash Lewis
• Law & Order1990 · as Mike Keyz