Mark St. Cyr
Acting1987
Biography
Mark St. Cyr is an American actor native of Louisiana.
Known For
Acting History
2025
Elsbeth
TVas Ronan Gaines• 1 eps
2022
The Menu
as Dave
Root Letter
as Adam
2021
John Doe
as Mark
2020
2019
The Housesitters
as Eric
High School Musical: The Musical: The Series
TVas Benjamin Mazzara• 26 eps
2018
Chicago P.D.
TVas Arthur Burton• 1 eps
2017
Going in Style
as DJ (uncredited)
Law & Order: Special Victims Unit
TVas Jamal Turner• 1 eps
2014
Person of Interest
TVas Airport Cop• 1 eps