Mark St. Cyr
November 16, 1987
Biography
Mark St. Cyr is an American actor native of Louisiana.
Filmography
Chicago P.D.
2014 · 8.4
Person of Interest
2011 · 8.1
Law & Order: Special Victims Unit
1999 · 8.0
High School Musical: The Musical: The Series
2019 · 8.0
The Menu
2022 · 7.2
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John Doe
2021 · 7.0
Elsbeth
2024 · 6.7
Going in Style
2017 · 6.7
Triple Threat
2020 · 6.0
The Housesitters
2019 · 5.8
Root Letter
2022 · 5.2
A Spicy but Not Too Spicy Plumber
2025 · 2.0
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Snare
— · 0.0
Tender
— · 0.0