Reni Santoni, who played Poppie in “Seinfeld” and appeared in “Dirty Harry” and other films, died on Aug. 1. He was 81.

According to a Facebook post written by his friend and TV writer-producer Tracy Newman, Santoni died on Saturday morning. He had been “sick for quite a while.”

“Those of you who knew him know how funny he was, what a terrific actor, improviser, performer, etc.,” the post read. “So brilliant. I loved him very much and will miss him terribly. Another great one is gone. I have a lot of wonderful pictures of him, and will post them over the next week. My heart goes out to his son, Nick, who has been such a comfort to Reni over that past five years or more.”

Born in New York City, Santoni built his acting career from off-Broadway theatre, starring in “The Umbrella” and “The Mad Show.” His first significant film