Life happens. Things just get so hectic at times that you may miss all sorts of things, big and small. In the world of Hollywood, it's easy to lose track of some of your favorite stars as their fame may fade over time. When that happens you may actually miss the fact that said celebrity is no longer with us. It happens to all of us. Just take a look at this list and see if there is anyone you missed. You might be surprised.
Celebrities That You Probably Haven't Realized Are Dead.
#1 Richard Attenborough
You may remember from his roles in Jurassic Park and The Great Escape. He passed away in 2014 due to heart disease.
#2 Michael Clarke Duncan
How could we have missed this one? Most known for his role in The Green Mile, Clarke Duncan passed away in 2012 after suffering a massive heart attack.
#3 Jean Stapleton
Stapleton rose to fame playing Edith, the wife of Archie Bunker on All In The Family. Back in 2013, she passed away due to natural causes. She was 90 years old.
#4 James Avery
Avery passed away in 2013 at the age of 68. He is best known for playing Uncle Phil on The Fresh Prince Of Bel-Air. He also dabbled in voice acting providing the voice of The Shredder on the Teenage Mutant Ninja Turtles cartoon.
#5 Harold Ramis
Ramis was a comedy genius responsible for laughs in films such as Caddyshack, Animal House, Groundhog Day, Ghostbusters and many other movies that would take way too long to list. Sadly he left us back in 2014.
#6 Gregory Hines
The tap dance legend was a staple of 90's television. Everywhere you turned he was guest starring on some show, be it serious like Law & Order or funny like Family Matters. He died from liver cancer back in 2003.
#7 Leonard Nimoy
Unless you're a Star Trek or sci-fi fan you might have missed the passing of this legend. He passed away in 2014 after a long struggle with failing health.
#8 Marcia Wallace
That's right, Bart Simpson's longtime teacher is no longer with us. Wallace passed away in 2013.
#9 Chris Penn
Chris was the brother of Sean Penn. He rose to fame with roles in Starsky and Hutch and Reservoir Dogs. He died in 2006 at the age of 40.
#10 Lisa Robin Kelly
Lisa played Eric's mean sister on That 70's Show. Sadly struggles with addiction and substance abuse would lead to her demise in 2013
#11 Cory Monteith
Monteith is most popular for his role on Glee. At the young age of 31, he passed away after a long battle with addiction and depression.
#12 Brittany Murphy
Murphy was on top of the world when it all came crashing down. She mysteriously died because of complications from anemia and pneumonia. Foul play has been speculated for years.
#13 John Ritter
The former Threes Company and Problem Child star died suddenly at the age of 54 due to an undiagnosed aortic dissection.
#14 Natasha Richardson
You might remember her as Lindsey Lohan's mom in the Parent Trap. Richardson was only 45 when she tragically died due to injuries suffered in a skiing accident.
#15 Michelle Thomas
Thomas was a rising star famous for her role as Steve Urkel's girlfriend on Family Matters. Unknown to most, she had a rare form of cancer which ultimately claimed her life at the age of 29.
