He was best known for playing Hector Salamanca.
Margolis died Thursday in New York City’s Mt.
Sinai Hospital with his wife Jacqueline and son Morgan at his side.

Mark Margolis.Jim Spellman/WireImage
Morgan, CEO of Knitting Factory Entertainment, first announced the news.
“He was one of a kind,” his manager Robert Kolker of Red Letter Entertainment said.
“He was a treasured client and a lifelong friend.

Mark Margolis in Breaking Bad.Ursula Coyote/AMC/Courtesy Everett Collection
I was lucky to know him.”
He later studied under Lee Strasberg and Barbara Loden.
His early career included parts in theatrical productions such asInfidel Caesar, a Broadway show based on Shakespeare’sJulius Caesar.
“He lost a bet.”