
Michael Ornstein
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.
19 acting credits
Acting · 19

Law & Order: Special Victims Unit
1999

Law & Order
1990

Law & Order: Criminal Intent
2001

NCIS: Los Angeles
2009

Seinfeld
1989

Sons of Anarchy
2008

Third Watch
1999

Homicide: Life on the Street
1993

Mayans M.C.
2018

Good Game
2017

The Saint
2017

Crossing Delancey
1988

Mosquito
2022

Kansas City
1996

Blindsided
1993

Man of the Year
1995

Let It Snow
1999

Zelos
2015

The Book of Life
1998