The actor starred as Carrie Bradshaw’s best male friend Stanford Blatch on SATC.

The cause was pancreatic cancer.

Garson’s son, Nathen Garson, shared a touching tribute to his father on Instagram.

Willie Garson

Willie Garson.John Sciulli/Getty Images

“I love you so much papa,” he wrote.

I’m so proud of you.

You’ll always be with me.

Actors

Willie Garson as Stanford, Sarah Jessica Parker as Carrie, Kristian Davis as Charlotte, Kim Cattrall as Samantha, and Cynthia Nixon as Miranda on ‘Sex and the City’ season 3.

Love you more than you will ever know and I’m glad you might be at peace now.

You always were the toughest and funniest and smartest person I’ve known.

I’m glad you shared you’re love with me.

I’ll never forget it or lose it."

Morrowwrote, “Our sweet pal #WillieGarson has passed on.

Dear soul, rest easy.”

Welliverwrote, “There are no words.

I love you dear brother.

We are fewer.”

Malinaresponded to Welliver’s post and commented, “R.I.P.

“Evil Willie.”

He was one of a kind.”

William Garson Paszamant was born in Highland Park, N.J., in 1964.

Some of his earliest jobs saw him playing small parts onFamily Ties,Cheers, andThe New Gidget.

As his television career grew, he got meatier parts onNewhartandMr.

Bomer shared a photo with Garson on Instagram and a heartfelt remembrance.

I don’t understand.

And it’s not fair," he wrote.

“This past year, you taught me so much about courage and resilience and love.

This also reminded me how strong our White Collar family is.

We were all there for Willie, and for each other.

I love you forever Willie Garson.

Save a place for me, because you know I want to be at your table up there.”

He will be missed."

And then it wasn’t and it’s a better life."