Mark St. Cyr
Biography
Mark St. Cyr is an American actor native of Louisiana.
Gallery
Known For
Acting History
2024
Elsbeth as Ronan Gaines
2022The Menu as Dave
2022Root Letter as Adam
2021John Doe as Mark
2020High School Musical: The Musical: The Holiday Special as Self
2020Triple Threat as Caleb
2019High School Musical: The Musical: The Series as Benjamin Mazzara
2019The Housesitters as Eric
2017Going in Style as DJ (uncredited)
2014Chicago P.D. as Arthur Burton
2011Person of Interest as Airport Cop
1999Law & Order: Special Victims Unit as Jamal Turner
—Tender