18 Celebrities You May Not Realize Have Passed Away

Celebrities often leave a lasting impact on fans through their work, but sometimes their passing goes unnoticed by the wider public. Many actors, musicians, and performers who shaped film, television, and music have died young or unexpectedly, leaving behind legacies that deserve to be remembered. Some were child stars who captured hearts on screen, while others were well-known figures whose untimely deaths still surprise people today.

This slideshow highlights 17 celebrities whose passing may not be widely known, reminding us of their talent and the joy they brought to audiences. It is both a look back at familiar faces and a chance to honor those whose lives were tragically cut short.

This post was updated on October 8th to include new information about the sad death of Chili Pepper.

Heather O'Rourke was a child actress best remembered for her role as Carol Anne in the 'Poltergeist' films. Her bright screen presence and chilling delivery of the line 'They're here' made her an unforgettable figure in horror cinema. Tragically, she died at just 12 years old from complications related to a misdiagnosed intestinal condition. Her untimely death shocked Hollywood and fans alike. She remains a symbol of lost potential in film history.

Glenn Quinn (right) was an Irish actor who gained recognition playing Mark Healy on 'Roseanne' and later Doyle on 'Angel.' His charm and ability to connect with audiences made him a fan favorite. Sadly, Quinn died in 2002 at the age of 32 from a heroin overdose in Los Angeles. His death highlighted the struggles many face with substance abuse. He is remembered by fans and colleagues for his warmth and talent.

Michelle Thomas was best known as Myra Monkhouse on 'Family Matters' and Justine Phillips on 'The Cosby Show.' Her charisma and joyful presence made her a standout on television during the 1990s. Thomas battled a rare form of cancer, eventually passing away in 1998 at only 30 years old. Her death left fans mourning a young actress whose career was cut short. She continues to be celebrated for her contributions to sitcom history.

Jonathan Brandis was a teen heartthrob of the 1990s, starring in 'SeaQuest DSV' and appearing in films like 'Ladybugs' and 'It.' He struggled with the pressures of fame and a shifting career. In 2003, Brandis died by suicide at the age of 27. His passing deeply saddened his fans who had grown up watching him on screen. Brandis remains remembered as one of the era’s brightest young stars.

Richard Griffiths was a British actor beloved for his role as Uncle Vernon in the 'Harry Potter' films, as well as his acclaimed work in theater. Known for his commanding presence and comedic timing, he was a versatile performer admired worldwide. Griffiths died in 2013 at the age of 65 following complications from heart surgery. His passing left a void in both stage and screen communities. He is fondly remembered for his distinguished career.

Brittany Murphy was a rising star in the late 1990s and 2000s, appearing in 'Clueless,' '8 Mile,' and 'Girl, Interrupted.' Her talent and charisma made her a standout in Hollywood. In 2009, Murphy died suddenly at the age of 32 from pneumonia complicated by anemia and drug intoxication. Her passing shocked fans and raised questions about Hollywood pressures. She is remembered as a gifted actress gone too soon.

Brad Renfro found early success as a child actor in 'The Client' and later films such as 'Apt Pupil.' Despite his talent, he struggled with substance abuse throughout his life. In 2008, he died of a heroin overdose at the age of 25. His tragic story reflects the challenges young actors often face in the spotlight. Renfro is remembered for the promise of a career cut short.

Anton Yelchin was a Russian-American actor best known for portraying Chekov in the 'Star Trek' reboot films. He was praised for his versatility and dedication to his craft. In 2016, Yelchin died tragically at age 27 in a freak accident when his car rolled and pinned him. His sudden death shocked the entertainment industry. Yelchin is remembered for his unique talent and the roles he left behind.

Cory Monteith rose to fame playing Finn Hudson on the hit series 'Glee.' Beloved for his warm personality and on-screen presence, he became a symbol of the show's success. Monteith died in 2013 at the age of 31 from a toxic mix of heroin and alcohol. His passing deeply affected fans and castmates. He is remembered as a talented performer whose life ended too soon.

Thuy Trang was the original Yellow Ranger, Trini Kwan, in 'Mighty Morphin Power Rangers.' She inspired many young viewers with her strength and charisma. Tragically, Trang died in a car accident in 2001 at the age of 27. Her sudden passing shocked fans of the beloved show. She remains an icon to those who grew up watching her in the 1990s.

Lee Thompson Young starred as the title character in 'The Famous Jett Jackson,' a Disney Channel favorite of the late 1990s and early 2000s. He later appeared on 'Rizzoli & Isles.' Young died by suicide in 2013 at the age of 29. His passing brought attention to mental health struggles in Hollywood. He is remembered as a trailblazer for young Black actors on television.

Luke Perry was a 1990s heartthrob thanks to his role as Dylan McKay on 'Beverly Hills, 90210.' He later found renewed fame playing Fred Andrews on 'Riverdale.' In 2019, Perry died at the age of 52 after suffering a massive stroke. Fans around the world mourned his passing. He is remembered as a beloved figure who bridged generations of TV audiences.

Naya Rivera was celebrated for her role as Santana Lopez on 'Glee,' where she broke ground with a powerful portrayal of a young Latina character. In 2020, she tragically drowned in Lake Piru, California, while saving her son. Her death at age 33 was met with widespread grief. Rivera's legacy lives on in her performances and in the impact she had on representation in television.

Cameron Boyce (left) was a Disney Channel star who captivated young audiences in shows like 'Jessie' and the 'Descendants' films. Known for his charisma and philanthropy, he had a promising future ahead. In 2019, Boyce died in his sleep at the age of 20 due to complications from epilepsy. His death shocked fans worldwide. Boyce is remembered for his talent and positive influence on and off screen.

Dana Plato was best known as Kimberly Drummond on the sitcom 'Diff’rent Strokes.' She struggled with personal issues after leaving the show and faced legal and financial troubles. In 1999, Plato died at age 34 from an overdose of prescription medication. Her life reflected the challenges many child actors face after fame. She is remembered for her early contributions to television comedy.

Nick Lashaway appeared in shows like 'Girls,' 'The X-Files,' and films such as 'In Time.' Though not widely known, he left a lasting impression with his performances. In 2016, Lashaway died in a car accident at the age of 28. His passing shocked those who had followed his rising career. He is remembered fondly by fans and fellow actors.

Taylor Hawkins was the longtime drummer of the Foo Fighters, celebrated for his energy and talent. He played a key role in shaping the band’s sound and legacy. Hawkins died suddenly in 2022 at the age of 50 while on tour in Colombia. His death was widely mourned in the music world. He is remembered as a beloved musician and performer.

Sadly, Chilli Pepper died from stage-four cancer at her home in Chicago on September 11, 2024. Chilli Pepper was a drag/female impersonator and LGBTQ+ advocate who had some visibility in talk shows, but her death did not receive wide mainstream notice outside certain circles.