The show's original host helmed the program from 1982 to 1993.
Kalter served as an announcer, performing in funny bits and sketches on the late night TV show from 1995 until 2015.
The hosts all paid their respects to the groundbreaking comedy great.
Paris Hilton opened up about how she was unfairly targeted by the media as an old David Letterman interview has resurfaced.
The actress, who turned 46 on Monday, was surprised with a slew of celebrity guests on 'The Drew Barrymore Show.'
The actress flashed the comedian nearly 25 years ago on 'The Late Show.'
Only ET has your first look at the special episode of 'The Drew Barrymore Show,' airing Feb. 22.
A retirement gift didn't exactly play out as planned.
Kim Kardashian sat down for a no holds barred interview on Netflix's 'My Next Guest Needs No Introduction with David Letterman.'
Kim Kardashian opened up about OJ Simpson, the Paris robbery, and more on David Letterman’s show ‘My Next Guest Needs No Introduction.’
The mother of four opens up about the terrifying incident during 'My Next Guest Needs No Introduction With David Letterman.'
The reality star also opens up about Caitlyn Jenner, her Paris robbery and more.
Chappelle has had many of his famous friends out to Ohio for his top-secret 'Intimate Socially Distanced Affair' shows.
ET is looking back at some of the beloved entertainer's greatest moments from his film and TV legacy.
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