Mark St. Cyr

Mark St. Cyr

Acting

Born November 16, 1987

Mark St. Cyr is an American actor native of Louisiana.

Known for

Law & Order: Special Victims Unit

Law & Order: Special Victims Unit

1999

Person of Interest

Person of Interest

2011

Chicago P.D.

Chicago P.D.

2014

Elsbeth

Elsbeth

2024

The Menu

2022

High School Musical: The Musical: The Series

High School Musical: The Musical: The Series

2019

Going in Style

Going in Style

2017

Snare

Acting(15)

2025A Spicy but Not Too Spicy Plumber

2024ElsbethRonan Gaines

2022The MenuDave

Mark St. Cyr — Watchpile | Watchpile

2022Root LetterAdam

2021John DoeMark

2020High School Musical: The Musical: The Holiday SpecialSelf

2020Triple ThreatCaleb

2019High School Musical: The Musical: The SeriesBenjamin Mazzara

2019The HousesittersEric

2017Going in StyleDJ (uncredited)

2014Chicago P.D.Arthur Burton

2011Person of InterestAirport Cop

1999Law & Order: Special Victims UnitJamal Turner