Vachik Mangassarian was an Armenian actor.

He was known for roles in CSI: Crime Scene Investigation, NCIS, Curb Your Enthusiasm, and Agents of S.H.I.E.L.D,

Mangassarian had early roles in Iranian movies before landing his first American film role in The South's Shark in 1978. He played the role of a father in The Stoning of Soraya M, which starred Jim Caviezel.

Mangassarian completed a supporting role in Paul Weitz's film Moving On, starring Lily Tomlin and Jane Fonda, scheduled for release in 2022.

Mangassarian died January 23, 2022 in Burbank, California. He was 78.