Liz Sheridan, Jerry's mother on 'Seinfeld,' died at the age of 93

Liz Sheridan, Jerry's mother on 'Seinfeld,' died at the age of 93 ...

Jerry's mother Helen on "" has died. She was 93.

According to the deadline, the actor died in her sleep Friday of.

Sheridan performed Helen opposite as Jerry's father (and his very thick-rimmed glasses) in her "Seinfeld" debut in 1990 and her last appearance in the 1998 finale.

Despite what she might tell you, Helen considers her son Jerry to be irreplaceable.

One of her most memorable lines was: "How could anyone not like him."

Friday, remembered Sheridan on social media.

"Liz was always the sweetest, most helpful person a son could wish for," he said. "Every time she came on our show it was the coziest feeling for me. I'm so happy to have known her."

Liz was always the sweetest, most professional TV mom a son could wish for. Every time she came on our show it was the coziest feeling for me. I am so grateful to have known her.

Sheridan's death comes days after her 93rd birthday April 10 and less than two weeks after the death of her co-star, who played (Harris was also.)

Sheridan, who hailed from Rye, New York, was also known for playing a regular character, the neighbor, on all four seasons of "" starting in 1986.

In the Broadway musical "" (1977), the actress appeared opposite Meryl Streep and Christopher Lloyd.

Sheridan's lengthy line of TV credits ranged from "Kojak" in 1977 to "The A-Team" and "Santa Barbara" in the 1980s, "Empty Nest" and "Life with Louie" in the 1990s, and "American Dad!" in 2007.

She appeared in a number of films including 'Jekyll and Hyde... Together Again' (1982), 'Who's That Girl' (1987), 'Wedding Bell Blues' (1996), and 'Play the Game.'

In her 2000 memoir, Sheridan taught dancers about James Dean's friendship with young New York performers in love (at one point, they were engaged).

Sheridan later worked as a dancer and singer in St. Thomas and Puerto Rico, then married jazz musician William Dale Wales, who died in 2003.

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On Twitter, Amy Kuperinsky may be reached and followed.

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