Mark St. Cyr
Biography
Mark St. Cyr is an American actor native of Louisiana.
Known For
Law & Order: Special Victims Unit
Chicago P.D.
Person of Interest
Elsbeth
The Menu
High School Musical: The Musical: The Series
Going in Style
High School Musical: The Musical: The Holiday Special
All Movies (10)
- A Spicy but Not Too Spicy Plumber2025
- The Menu2022 · as Dave
- Root Letter2022 · as Adam
- John Doe2021 · as Mark
- High School Musical: The Musical: The Holiday Special2020 · as Self
- Triple Threat2020 · as Caleb
- The Housesitters2019 · as Eric
- Going in Style2017 · as DJ (uncredited)
- Tender—
- Snare—
All TV Shows (5)
- Elsbeth2024 · as Ronan Gaines
- High School Musical: The Musical: The Series2019 · as Benjamin Mazzara
- Chicago P.D.2014 · as Arthur Burton
- Person of Interest2011 · as Airport Cop
- Law & Order: Special Victims Unit1999 · as Jamal Turner