Kristin Davisis honoring her lateSex and the Citycostar,Willie Garson.

Davis remembered Garson as “full of joy, and so incredibly brilliant and smart.” She told Colbert, 57, that she and herAnd Just Like That…castmates initially did not know Garson was sick while filming the revival.

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“He still brought so much joy,” Davis said, while Nixon, 55, explained that the cast and crew filmed with Garson “for a long time not knowing he was sick and then things got bad enough that we were informed.”

“We’re also very grateful that we had a few days with him knowing that he was sick, and we could talk to him about it and he could talk to us about it,” Nixon continued. “And that was a really important thing for all of us.”

Cynthia Nixon and Kristin Davis.Scott Kowalchyk/CBS

The Late Show with Stephen Colbert and guest Kristin Davis & Cynthia Nixon

Davis, who had been clutching Nixon’s hand while discussing Garson’s loss, choked up as she told Colbert, “It’s hard.”

“I wish he was here, you know?” she tearfully expressed.

The actresspreviously honoredGarson shortly after his death, sharing photos of the late star on Instagram.

Davis' emotional moment onThe Late Showcame not long after her costar Chris Nothopened upabout his own experience working with Garson. In an interview published inThe GuardianMonday, Noth, 67, also shared that most of the cast did not know about Garson’s illness.

“Most of us didn’t know,” he said. “The last time I saw him was on set and I kick myself because I didn’t really get a chance to talk to him. He was extraordinarily fun and funny and there’s nothing to say but that it’s heartbreaking.”

Todd Williamson/Getty

Willie Garson and Kristin Davis

Noth added, “It’s sad for everyone, and for the show, because I think he was going to have a really huge storyline. But he’ll be in it to the extent that he filmed.”

Sarah Jessica Parkeralso paid tributeto Garson, calling his death: “unbearable.”

“It’s been unbearable,” she began her caption. “Sometimes silence is a statement. Of the gravity. The anguish. The magnitude of the loss of a 30 + year friendship.”

“Willie. I will miss everything about you. And replay our last moments together. I will re-read every text from your final days and put to pen our last calls. Your absence a crater that I will fill with blessing of these memories and all the ones that are still in recesses yet to surface,” Parker added.

Garson starred asSex and the City’s Stanford Blatch — the best friend of Carrie Bradshaw (Parker) — and reprised his role in the revival,And Just Like That…. Garsondiedofpancreatic cancerafter he hadalready filmed scenesfor the upcoming series.

Because Garson’s scenes forAnd Just Like That…were filmed prior to his death, his loss will not be included in the storyline, showrunner Michael Patrick King toldThe New York TimesFriday.

“Nobody’s dead,” he said. “Because it wasn’t charming. And I knew that the audience would know.”

source: people.com