— Zac Efron (@ZacEfron) August 12, 2014
Costars, friends, and fans took to Twitter to express their love for Robin Williams, an irreplaceable talent gone too soon.
"Robin Williams was an airman, a doctor, a genie, a nanny … and everything in between. But he was one of a kind." —President Obama
— Barack Obama (@BarackObama) August 12, 2014
I could not be more stunned by the loss of Robin Williams, mensch, great talent, acting partner, genuine soul.
— Steve Martin (@SteveMartinToGo) August 11, 2014
— Danny DeVito (@DannyDeVito) August 12, 2014
I am stunned and just reeling from the news of Robin Williams' death. He brought so much joy and heart to millions… Just, wow.
— Neil Patrick Harris (@ActuallyNPH) August 12, 2014
I am named after a character from a Robin Williams TV show when my parents still lived in Africa. He meant so much, to so many, so far away.
— Mindy Kaling (@mindykaling) August 12, 2014
Thank you to the beautifully original + brave artist that is #RobinWilliams. You taught us how to stand on the edge, fearless, + shine.
— JARED LETO (@JaredLeto) August 11, 2014
Robin was as sweet a man as he was funny. If you're sad, please tell someone.
— Jimmy Kimmel (@jimmykimmel) August 11, 2014
— Sarah Michelle (@RealSMG) August 12, 2014
One of the greatest nights of my youth was spent with dear Robin Williams. Let's all get closer to our friends who are down, and share love.
— Val Kilmer (@ValEKilmer) August 12, 2014
A tweet cannot begin to describe the hugeness of Robin Williams heart and soul and talent. This is so sad. #RobinWilliams
— Ben Stiller (@RedHourBen) August 12, 2014
Just shared a moment of silence on the set for Robin Williams, a man who brought so much laughter, joy and healing to so many.
— Lena Dunham (@lenadunham) August 12, 2014
Mr. Williams visited me the first day of filming The Parent Trap. I will never forget his kindness. What an enormous loss. My condolences.
— Lindsay Lohan (@lindsaylohan) August 11, 2014
Robin Williams made the world laugh & think. I will remember & honor that. A great man, artist and friend. I will miss him beyond measure.
— Kevin Spacey (@KevinSpacey) August 12, 2014
We mourn the loss of our friend Robin Williams, who always made us laugh and smile. pic.twitter.com/UOY8LTjVRA
— Sesame Street (@sesamestreet) August 11, 2014
I am heartbroken. Dear, sweet friend, Robin Williams, gone. Our prayers for peace to all his friends and family, his beautiful children.
— Rita Wilson (@RitaWilson) August 12, 2014
I can’t believe the news about Robin Williams. He gave so much to so many people. I’m heartbroken.
— Ellen DeGeneres (@TheEllenShow) August 11, 2014
How awesome a contribution Robin Williams made to the world, that millions of people (and I) are now feeling real, deep human loss. So sad.
— John Mayer (@JohnMayer) August 12, 2014
There's no one who even comes close to Robin Williams' brilliance. He's one of a kind, and will be missed. My heart goes out to his family.
— Jason Ritter (@JasonRitter) August 12, 2014
"No matter what people tell you, words and ideas can change the world." -Robin Williams… http://t.co/nfI2PPBNBQ
— Vanessa Hudgens (@VanessaHudgens) August 12, 2014
— Kevin Hart (@KevinHart4real) August 12, 2014
RIP Robin Williams. Thank you for everything you have to us. You will always be loved. http://t.co/GqPnyOecN2
— Mena Suvari (@mena13suvari) August 12, 2014
Robin Williams took the stage to make wounded veterans laugh & cry. Our first supporter. Humor is a temporary relief. The best of all.
— Bob Woodruff (@BobWoodruff) August 12, 2014
When I was 18 I got a job as an intern at Comic Relief just to be near him. A genius and a truly kind man who made the world a better place.
— Judd Apatow (@JuddApatow) August 12, 2014
Deeply saddened by the news. #RIPRobinWilliams. Thank you for bringing laughter and light for so many years. You will never be forgotten.
— backstreetboys (@backstreetboys) August 12, 2014
Genie, you're free. pic.twitter.com/WjA9QuuldD
— The Academy (@TheAcademy) August 12, 2014
my father took me to see Robin Willaims do an improve set. Never seen anything like it, he was a spirit like no other. Will never forget him
— Jeremy Piven (@jeremypiven) August 12, 2014
— Anderson Cooper 360° (@AC360) August 12, 2014
Robin Williams was one of my favorite actors. As a comedian he inspired me throughout my career. The world won't be the same without him.
— Chris D'Elia (@chrisdelia) August 11, 2014
Such a terrible loss. Robin Williams was a great talent and a lovely, kind man.
— Julianne Moore (@_juliannemoore) August 12, 2014
Robin Williams was like no other ..To watch him create on the spot was a privilege to behold.. Robin you are an angel now !!! REST IN PEACE
— Henry Winkler (@hwinkler4real) August 11, 2014
Awakenings has always been and will always be one of my favorite movies. See it if you haven't. He was, again, very special. #RobinWilliams
— Holly Marie Combs (@H_Combs) August 12, 2014
R.I.P to one of the greatest comedians of our generation Robin Williams, it was a blessing to cross paths with you..
— Jay Pharoah (@JayPharoah) August 12, 2014
#RIP to one of the best ever, Sir Robin Williams.
— Def Leppard (@def_leppard) August 12, 2014
Robin Williams in dead poets society was so influential on me. Rest in peace <3
— Pete Wentz (@petewentz) August 12, 2014
Sad to the nth degree #RobinWilliams
— Zac Posen (@Zac_Posen) August 12, 2014
"You're only given one little spark of madness. You mustn't lose it." – Robin Williams
— Dane Cook (@DaneCook) August 12, 2014
— E! Online (@eonline) August 12, 2014