
Mark St. Cyr
Acting
Biography
Mark St. Cyr is an American actor native of Louisiana.
Born: November 16, 1987
Known For

Chicago P.D.
A riveting police drama about the men and women of the Chicago Police Department's District 21 who put it all on the line to serve and protect their community. District 21 is made up of two distinctly different groups: the uniformed cops who patrol the beat and go head-to-head with the city's street crimes and the Intelligence Unit that combats the city's major offenses - organized crime, drug trafficking, high profile murders and beyond.

Person of Interest
John Reese, former CIA paramilitary operative, is presumed dead and teams up with reclusive billionaire Finch to prevent violent crimes in New York City by initiating their own type of justice. With the special training that Reese has had in Covert Operations and Finch's genius software inventing mind, the two are a perfect match for the job that they have to complete. With the help of surveillance equipment, they work "outside the law" and get the right criminal behind bars.

High School Musical: The Musical: The Series
A group of East High students countdown to the opening night of their school’s first-ever production of “High School Musical.” Showmances blossom; friendships are tested while new ones are made; rivalries flare and lives are changed forever as these young people discover the transformative power that only a high school drama club can provide.

Law & Order: Special Victims Unit
In the criminal justice system, sexually-based offenses are considered especially heinous. In New York City, the dedicated detectives who investigate these vicious felonies are members of an elite squad known as the Special Victims Unit. These are their stories.

High School Musical: The Musical: The Holiday Special
The cast of “High School Musical: The Musical: The Series” delivers an abundance of feel-good holiday cheer as they perform their favorite Christmas, Hanukkah and New Year’s songs and share their fondest holiday memories.

The Menu
A young couple travels to a remote island to eat at an exclusive restaurant where the chef has prepared a lavish menu, with some shocking surprises.

Elsbeth
After her successful career in Chicago, Elsbeth Tascioni, an astute but unconventional attorney, utilizes her singular point of view to make unique observations and corner brilliant criminals alongside the NYPD.

Going in Style
Desperate to pay the bills and come through for their loved ones, three lifelong pals risk it all by embarking on a daring bid to knock off the very bank that absconded with their money.

The Housesitters
On their last day as house sitters, a young couple is visited by a stranger who exposes the lies between them.

Triple Threat
Close friendships are slowly pulled apart as a once shared dream is abandoned by one in favor of fatherhood.
Filmography
as Ronan Gaines
as Dave
as Adam
as Caleb
as Benjamin Mazzara
as Eric
as DJ (uncredited)
as Arthur Burton
as Airport Cop
as Jamal Turner