Joaquin Phoenix Publicly Apologizes for ‘Worst Night’ of His Life
“I’ll never do it again. I’m so sorry,” Phoenix said of his infamous late-night appearance.
Joaquin Phoenix apologized for his infamously bizarre 2009 Late Show interview with David Letterman on Tuesday, telling Stephen Colbert, “I regret it. I’ll never do it again.”
Phoenix appeared on Letterman’s show in 2009 in character for his mockumentary I’m Still Here, complete with the shaggy beard, sunglasses, and a full suit, to talk about his big announcement that he’d be retiring from acting to pursue a rap career.
Letterman was unaware that the look, announcement, and late-night appearance were all part of the film when he sat down to interview Phoenix, and neither was the audience—resulting in an interview so weird that many thought he’d had a nervous breakdown. “It was a success and it was also just one of the worst nights of my life,” Phoenix said Tuesday.
Letterman was visibly annoyed during the awkward interview, in which Phoenix appeared distracted, answered questions in only very brief phrases, and chewed gum throughout. He also refused to introduce a clip Letterman wanted to play. The fed up late-night host told Phoenix, “I’ll come to your house and chew gum,” in one tense moment, and by the end of it, Letterman quipped, “Joaquin, I’m sorry you couldn’t be here tonight.”

NEW YORK - FEBRUARY 11: Actor Joaquin Phoenix, waves to the audience during his interview with Late Show host David Letterman during the Late Show with David Letterman Wednesday, February 11, 2009 on the CBS Television Network. (Photoby John Paul Filo/CBS via Getty Images)
CBS Photo Archive/CBS via Getty Images
Phoenix explained Tuesday why he “regrets” putting Letterman through the ringer. “It started out just in my house. I was just doing fake interviews in my house, and then we started going public,” he said. By the time he was set to appear on Letterman’s show, “I was stuck. I mean, I had to keep it going. I didn’t want to.”
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Phoenix told Letterman’s producers’ his plan to come on in character beforehand, he said, and they agreed to keep the host in the dark. “I said, ‘Listen, this is what I’m doing. I’m telling you, I’m coming out here and I’m doing this whole thing. And I just want Dave to like, lacerate me. I just want it to be really dangerous.’ So that was the kind of intention. We just always wanted to get this reaction and see how I would respond to that” as his I’m Still Here character, he said. “So it was beneficial for no one to know except when needed,” he added, but “I imagine they did like a major exorcism after I left.”

NEW YORK - SEPTEMBER 22: Joaquin Phoenix visits the LATE SHOW with DAVID LETTERMAN, Wednesday, Sept. 22, 2010 on the CBS Television Network. This is his first television appearance and first visit to the CBS broadcast since his infamous Febrary 2009 appearance. (Photo by Jeffrey R. Staab/CBS via Getty Images)
CBS Photo Archive/CBS via Getty Images
Colbert replied that Phoenix should be proud: “You wanted to be lacerated, and it worked great,” he joked.
All that said, Phoenix concluded, “It was horrible. It was so uncomfortable. I regret it. I’ll never do it again. I’m so sorry,” Phoenix said, as Colbert quipped that he didn’t think Letterman was watching. “He might be. And I just need to say I’m sorry,” he said again, through a smile.
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Phoenix did previously apologize to Letterman directly on air in 2010, eighteen months after he bewildered the host.

The Late Show with Stephen Colbert and guest Joaquin Phoenix during Tuesday’s July 15, 2025 show.
Scott Kowalchyk/Scott Kowalchyk/CBS
Phoenix joked to Letterman then, “You’ve interviewed many, many people and I assumed that you would know the difference between a character and a real person.” He still apologized, however, telling him “I hope I didn’t offend you in any way.”
Colbert told Phoenix Tuesday that he watched live when the 2009 appearance aired. “Those of us who do these kind of shows know that there’s something you never want to be part of,” he said, “And the phrase is ‘great TV.’ And my friend, that was great TV.”
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