
Acting · Born Jan 1, 1963 · Passaic, New Jersey, USA
Ornstein studied acting as a child at the American Academy of Dramatic Arts in New York City, and later studied under Stella Adler. After high school, he enrolled in the Mason Gross School of the Arts. He quit after his first year and moved to New York City to begin working professionally. Ornstein's first film credit was in Crossing Delancey, where he played the minor character "Mickey". Television credits include a recurring role as Detective Bonnaventura on Homicide: Life on the Street, and a two-episode arc on Third Watch, as well as parts in Seinfeld, Law & Order, Law & Order: Special Victims Unit, and Law & Order: Criminal Intent. Ornstein's stage acting credits span twenty-five years worth of new plays in New York City, in addition to creating the role of Louis Ironson in the 1991 World Premiere of Angels in America at the Eureka Theater in San Francisco. Ornstein plays Chuck Marstein on Sons of Anarchy.

Law & Order: Special Victims Unit
19998.0

Sons of Anarchy
20088.4

Seinfeld
19898.3

NCIS: Los Angeles
20097.5

Mayans M.C.
20188.0

Law & Order
19907.3

Law & Order: Criminal Intent
20017.6

The Saint
20175.4

Third Watch
19998.0

Homicide: Life on the Street
19938.1

The Abandons
20255.9

Kansas City
19966.1

Crossing Delancey
19885.9