Hall, whose Hollywood career spans more than five decades, garnered 185 film and TV credits.
Sheridan died just weeks after the death of her “Seinfeld” costar Estelle Harris.
While George Costanza was a cranky son, Alexander adored his TV mom.
The actress, who played George Costanza’s short-fused mother on “Seinfeld” and voiced Mrs. Potato Head in the “Toy Story” franchise, has died.
The Mets manager was the skipper of the Yankees in the heyday of the classic sitcom.
Everything you need to pull off the baggy, oversized '90s styles of Jerry, George, Elaine and Kramer.
The actor, who played George Costanza on the iconic series, said the cast had to wait for the audience to stop laughing.
"I messed that one up a ton," he admitted.
Fans of the show will now be able to watch reruns on Netflix, at least.
The "Seinfeld" star's routine is gaining renewed attention amid the Tokyo Games.