Entertainment TV Liz Sheridan, Who Starred as Jerry's Mom on 'Seinfeld', Dies at 93 PEOPLE confirmed that Liz Sheridan passed away "peacefully" in her sleep By Dory Jackson Dory Jackson Instagram Twitter Website Dory Jackson is an Associate Editor for PEOPLE's digital TV team. While at the brand, she's had the opportunity to interview a long list of celebrities, from Kate Hudson to Pierce Brosnan to Billy Porter. She also recaps popular TV shows like The Real Housewives of Beverly Hills and Vanderpump Rules.The New York-based Maryland native graduated from Randolph-Macon College in May 2016 with a focus in Communication Studies and Journalism. She came to PEOPLE in March 2021 after working at a number of major news companies, including Newsweek and Us Weekly. She also previously co-hosted a podcast called "Idol Nation." People Editorial Guidelines Published on April 15, 2022 03:55 PM Share Tweet Pin Email Photo: Albert L. Ortega/WireImage Veteran actress Liz Sheridan has died at age 93. She was best known for her roles in Seinfeld and Alf. PEOPLE confirmed the news of Sheridan's passing through her rep, Amanda Hendon. The late star was near her daughter, Stephanie, in New York City when she "passed peacefully in her sleep," Hendon said. "Elizabeth Ann Sheridan aka Liz Sheridan died peacefully in her sleep from natural causes at 2:30 a.m. Friday, April 15th, 2022 just five days after her 93rd birthday," a statement obtained by PEOPLE read. "She is survived by her daughter and son-in-law." Sheridan has an extensive career that spanned film and television. In the late 1980s, she gained even more traction in her career through her role as Raquel Ochmonek on Alf. But her most noteworthy role to date came in the 1990s when she landed the role as Jerry Seinfeld's mother, Helen, on the iconic comedy series Seinfeld. Everett Celebrities Who Died in 2022 Offscreen, Sheridan built up an impressive presence in the theater scene. She appeared in twelve Broadway Shows, including Happy End alongside Meryl Streep. She performed a one-woman show, titled Mrs. Seinfeld Sings, as well. Sheridan is also an accomplished writer, having earned praise for her 2000 book Dizzy and Jimmy. The memoir recounts her real-life love affair with James Dean. Sheridan's final acting credit came in 2010 with Trim. "Liz's worldwide fan base will continue to enjoy her extensive body of work for years to come," the statement from Sheridan's rep read. "She was always very grateful to her fans and felt blessed to have enjoyed decades of work in the entertainment business." Never miss a story — sign up for PEOPLE's free weekly newsletter to get the biggest news of the week delivered to your inbox every Friday. Following her death, Seinfeld, 67, paid tribute to his costar in a statement on social media. "Liz was always the sweetest, nicest TV mom a son could wish for. Every time she came on our show it was the coziest feeling for me. So lucky to have known her," the actor wrote. Sheridan's passing comes shortly after the death of another former Seinfeld star. On April 2, Estelle Harris — who played Jason Alexander's character's mother in the series — also died at age 93. In addition to Seinfeld, Harris voiced Mrs. Potato Head in the Toy Story franchise and helmed roles in other prominent projects, including The Suite Life of Zack & Cody and Tarzan II.