Acting · Passaic, New Jersey, USA · Born January 1, 1963
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.
MovieMosquito
2022
as Butcher
TVMayans M.C.
2018
as Chuck 'Chucky' Marstein
TVGood Game
2017
as Lorenzo Santella Jr.
MovieThe Saint
2017
as Kal Barko
MovieZelos
2015
as Mordecai
TVNCIS: Los Angeles
2009
as Frank Davis
TVSons of Anarchy
2008
as Chuck 'Chucky' Marstein
TVLaw & Order: Criminal Intent
2001
as Howard
MovieLet It Snow
1999
as Lenny Ellis
TVThird Watch
1999
as Banks
TVLaw & Order: Special Victims Unit
1999
as Charles Denis
MovieThe Book of Life
1998
as Computer Wizard
MovieKansas City
1996
as Jackie Ciro
MovieMan of the Year
1995
as Mike Miller
TVHomicide: Life on the Street
1993
as Detective Bonaventura
MovieBlindsided
1993
as Det. Sartucci
TVLaw & Order
1990
as Sklar
TVSeinfeld
1989
as Waiter
MovieCrossing Delancey
1988
as Mickey
