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