Michael Marisi Ornstein (born 1963) is an American actor. He is best known for his recurring role as Chucky Marstein on Sons of Anarchy (2008–2014) and its spin-off Mayans M.C. (2019–2023).
Early life 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.
Career Ornstein's first film credit was for Crossing Delancey, in which he played the minor character Mickey. Television credits include a recurring role as Detective Bonnaventura in Homicide: Life on the Street, and a two-episode arc in 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 played Chuck "Chucky" Marstein on Sons of Anarchy (2008–2014) and played him on its spin-off Mayans M.C. (2018–2019).
Credits +Key Denotes works that have not yet been released Film Year Title Role Notes 1988 White Hot Carlos 1988 Crossing Delancey Mickey 1995 Man of The Year Mike Miller 1996 Kansas City Jackie Ciro 1998 The Book of Life Computer Wizard 1999 Let It Snow Lenny Ellis 2022 Chickenhare and the Hamster of Darkness Aide / Big Oxe Voice role
Television Year Title Role Notes 1993 Blindsided Det. Sartucci TV movie 1993 Seinfeld Waiter Episode: "The Shoes" 1998 New York Undercover Perkins Episode: "Mob Street" 1998–1999 Homicide: Life on the Street Det. Tommy Bonnaventura 2 episodes 2000 Law & Order: Special Victims Unit Harvey Dennis Episode: "Limitations" 2000–2005 Law & Order Sklar / Eugene Miller 2 episodes 2001–2008 Law & Order: Criminal Intent Florist / Phillip / Howard 3 episodes 2008–2014 Sons of Anarchy Chuck "Chucky" Marstein Recurring role; 46 episodes 2009 NCIS: Los Angeles Frank Davis Episode: "Killshot" 2013 Mob City Ray Berman 2 episodes 2018–2019 Mayans M.C. Chuck "Chucky" Marstein Recurring role (seasons 1–2) The AbandonsIn Production
Web series Year Title Role Notes 2017 Good Game Lorenzo Santella Jr. 2017 Guest Grumps Himself Episode: "Gauntlet II with Michael Ornstein"
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