Entertainment TV John Gabriel, 'Ryan's Hope' Star, Dead at 90 The Daytime Emmy nominee's daughter announced his death on Instagram 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 June 14, 2021 01:38 PM Share Tweet Pin Email Photo: Walt Disney Television via Getty John Gabriel, best known for his role on the ABC soap opera Ryan's Hope, has died. He was 90. The news of his death was announced Sunday on Instagram by his daughter, Andrea Gabriel. "It is with an unspeakably heavy heart that I share the news of my father's passing," the Lost alum, 42, captioned her post. "John Gabriel was my hero, my role model, and my champion, but above all, my daddy...I will love you forever." Celebrities Who've Died in 2021 No details were immediately available regarding a cause of death. Gabriel played Dr. Seneca Beaulac on Ryan's Hope for more than 700 episodes from 1975 to 1989. The role earned him a Daytime Emmy nomination in 1980. Walt Disney Television via Getty Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories. The actor additionally landed roles in other prominent shows, including Days of Our Lives, Generations, The Mary Tyler Moore Show and Seinfeld, and appeared in films such as The Hiding Place (1975) and The Return of Superfly (1990). He also played the Professor in the 1963 pilot for Gilligan's Island, which never made it to air. CBS ultimately recast the role, with Russell Johnson replacing Gabriel. In 1999, Gabriel opened up about losing the part on E! True Hollywood Story's "Gilligan's Island" episode. "It was devastating," he said at the time. "It was the first time in my adult life that I remember weeping." Gabriel is survived by his wife, Sandy Gabriel, and daughters Andrea and Melissa.