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 ...
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Man of the Year
As Mike Miller
Kansas City
As Jackie Ciro
The Book of Life
As Computer Wizard
Blindsided
As Det. Sartucci
The Saint
As Kal Barko
Zelos
As Mordecai
Mosquito
As Butcher
Crossing Delancey
As Mickey
Let It Snow
As Lenny Ellis
Third Watch
As Banks
Law & Order
As Sklar
Law & Order: Special Victims Unit
As Charles Denis
Homicide: Life on the Street
NCIS: Los Angeles
Seinfeld
As Waiter
Sons of Anarchy
As Chuck 'Chucky' Marstein
Good Game
As Lorenzo Santella Jr.
Law & Order: Criminal Intent
As Howard
Mayans M.C.
As Chuck 'Chucky' Marstein