Acting
Mark St. Cyr is an American actor native of Louisiana.
The Menu
2022
Going in Style
2017
High School Musical: The Musical: The Series
2019
A Spicy but Not Too Spicy Plumber
as Dave
Root Letter
as Adam
John Doe
as Mark
High School Musical: The Musical: The Holiday Special
as Self
Triple Threat
as Caleb
The Housesitters
as Eric
as DJ (uncredited)
Tender
Snare
Elsbeth
as Ronan Gaines · 1 ep.
as Benjamin Mazzara · 26 ep.
Chicago P.D.
as Arthur Burton · 1 ep.
Person of Interest
as Airport Cop · 1 ep.
Law & Order: Special Victims Unit
as Jamal Turner · 1 ep.
