Mark St. Cyr
Mark St. Cyr is an American actor native of Louisiana.
Known for
Chicago P.D.
Arthur Burton
Law & Order: Special Victims Unit
Jamal Turner
Person of Interest
Airport Cop
High School Musical: The Musical: The Series
Benjamin Mazzara
The Menu
Dave
Going in Style
DJ (uncredited)
High School Musical: The Musical: The Holiday Special
Self
Triple Threat
Caleb
Root Letter
Adam
Tender
The Housesitters
Eric
John Doe
Mark