Mark St. Cyr is an American actor native of Louisiana.
Law & Order: Special Victims Unit
1999 · Jamal Turner
Person of Interest
2011 · Airport Cop
Chicago P.D.
2014 · Arthur Burton
Elsbeth
2024 · Ronan Gaines
High School Musical: The Musical: The Series
2019 · Benjamin Mazzara
The Menu
2022 · Dave
Going in Style
2017 · DJ (uncredited)
Snare
Root Letter
2022 · Adam
A Spicy but Not Too Spicy Plumber
2025
The Housesitters
2019 · Eric
Tender
John Doe
2021 · Mark
Triple Threat
2020 · Caleb
