George Clooney visiting Richard Kind backstage at Broadway’sAll Inin New York City on Jan. 9, 2025.Photo:Bruce Glikas

George Clooney visiting Richard Kind backstage at All In on Broadway.

Bruce Glikas

George Clooneyenjoyed a night out on Broadway.

“George and Richard have been friends for years, so he came to support Richard, who was very happy to see him,” a source on the scene tells PEOPLE of Clooney, 63, and Kind, 68.

After the two “caught up” backstage, Clooney “talked with the rest of the cast,” tellingChloe Fineman,Fred ArmisenandJohn Mulaneythat “they were all fantastic” in the play, per the insider.

“He was so open and kind,” the source continues, adding that Clooney also spoke with members ofAll In’s creative team and crew. “He told everyone he loved the show and was very impressed with it.”

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George Clooney visiting Richard Kind and John Mulaney backstage at Broadway’sAll Inin New York City on Jan. 9, 2025.Bruce Glikas

George Clooney visiting Richard Kind backstage at All In on Broadway.

Clooney will soon be making his Broadway debut in the new playGood Night, and Good Luckas both an actor and writer.

And on Thursday, Clooney “was telling everyone he’s excited to start rehearsals for his show,” says the source on set.

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George Clooney visiting Richard Kind backstage at Broadway’sAll Inin New York City on Jan. 9, 2025.Bruce Glikas

George Clooney visiting Richard Kind backstage at All In on Broadway.

Kind, Mulaney, 42, Fineman, 36, and Armisen, 58, are among the rotating, star-studded cast ofAll In, which also includedRenée Elise Goldsberryfrom Dec. 11 to 29, 2024.

Other celebrities slated to join the production in the upcoming days and weeks includeLin-Manuel Miranda,Andrew Rannells,Hank Azaria,David Cross,Jimmy Fallon,Aidy Bryant,Tim Meadows,Annaleigh AshfordandNick Kroll.

All Inis the first Broadway credit for playwrightSimon Rich, who previously worked as a writer onSaturday Night Live, and used his hilarious short stories about “dating, heartbreak, marriage and that sort of thing” as a basis for the play.

“Even though the show’s kind of all over the place, it’s meant to tell one simple story: that the most important part of life is who we share it with,” producers previously said in a release. “We hope everybody will relate to it, even if it was their date’s idea to come and they are starting out from a place of quiet resentment.”

Tickets forAll Inare available now atallinbroadway.com.

source: people.com