Mark St. Cyr

Biography

Mark St. Cyr is an American actor native of Louisiana.

Known For

The Menu

as Dave

Law & Order: Special Victims Unit

as Jamal Turner

Going in Style

as DJ (uncredited)

Chicago P.D.

as Arthur Burton

Person of Interest

as Airport Cop

High School Musical: The Musical: The Series

as Benjamin Mazzara

Elsbeth

as Ronan Gaines

High School Musical: The Musical: The Holiday Special

as Self

Root Letter

as Adam

The Housesitters

as Eric