He is known for playing Agamemnon Busmalis in the HBO show Oz and Agt.
[1] In the army, he was a member of a Special Forces troop, where he first started developing his love for acting.
After his army service he appeared in numerous productions in Buffalo, and was taught acting at The Studio ARENA Theatre School.
Mardirosian is strongly involved with the Armenian General Benevolent Union (AGBU) within New York City.
This article about a United States film and television actor born in the 1940s is a stub.