The actor was found dead on Saturday at his Los Angeles home.

“What a loss,” Wheeler wrote.

“The world will miss you, Mathew Perry.

The joy you brought to so many in your too-short lifetime will live on.

I feel so very blessed by every creative moment we shared.”

He was lovely to me onFriendsand every time I saw him in the decades after.

kindly read his book.

It was his legacy to help.

He won’t rest in peace though.

He’s already too busy making everyone laugh up there."

The loss of such a brilliant young actor is a shock.

Gould wrote that he was “honored” to work with Perry when they first met in 1994.

“My heart goes out to his wonderful family.

He will be missed by so many but he will never be forgotten.”

He was a true gift to us all.

Our heart goes out to his family, loved ones, and all of his fans."

“My oldest boy friend.

All of us loved Matthew Perry, and I did especially,” she captioned the image.

I loved him unconditionally.

And I’m broken.

Sweet dreams, Matty.

She continued, “I think his physical comedy and that movie still makes me laugh so much.

I hope he can rest peacefully.”

“We were a gang way back,” Doherty wrote.

“We all grew up together going to the Formosa, North and constantly laughing.

Matt, Roger, David, Roxana.

We played dare and Matt had to say ridiculous things to girls at the bar.

We just always had fun and supported each other.

You would always find us all together in a booth speaking in our own made-up language.

And yes, Matt always had THAT sense of humor.”

She continued, “Our friendship spanned a long time.

I know many are hurting, especially our little gang.

He will be missed by many and definitely by us.

I could be more poetic or say things better, but right now, shock and sadness prevail.”

He was kind."

You made me laugh that painful kind of laugh.

You made me cry-laugh.

My condolences to all who loved him."

The entire entertainment world has.

54 is too young to go.

We love you, Matty!"

I pray and hope he is at peace."

Perry’sParallel LivescostarMira Sorvinoexpressed her grief on Xwith a post wishing Perry “peace and happiness in Heaven.”

Octavia Spencerhonored the late actor with apostcaptioned, “His gift to the world will be remembered forever.

Sending love to Matthew’s family, friends, costars, and millions of fans around the world.”

Alongside aphotoof the star,Viola Daviswrote, “This is devastating.

Your book shifted so many close to my heart.

The people no one sees and most throw away.

It was a gift.

Beyond the joy you brought to many, your heart reigned supreme.

Rest well…..know that you brought love.”

I’m so sorry to his family and friends who are getting this news today.

Nothing short of heartbreaking.

Rest in love, Matthew Perry."

“Happy trails to you, Matt.

Thanks for being you.

Wishing you a peaceful journey home through the stars.

If you loved Matthew Perry as I did, read his book.

You will learn a lot about him.”

Adelepaused her Las Vegas show on Saturday night to pay tribute to Perry.

One of the best comedians…and hopefully now he can rest in peace."

In a touchingInstagram post,SpeechlessstarJohn Ross Bowierecounted Perry’s role in helping him through sobriety.

And then when we were done, I got us two more diet Cokes.

And it went on like that for the rest of the night.

Bowie added, “I think of him and that night all the time.

He was clearly something my higher power sent to me on a fidgety autumn evening, 13 years ago.

I’m glad he is at peace.. May his memory be a blessing.”

The outlet reported that no drugs were found at the scene.

A law enforcement officer toldThe New York Timesthat there was no indication of foul play.