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Mork & Mindy
One of David Letterman's earliest roles before he made it as a television host was as a guest star on Mork & Mindy.CBS/Getty Images
Mork & Mindy
The Tonight Show Starring Johnny Carson
Truma Capote and David Letterman on the David Letterman show.
Late Night with David Letterman
Ed Sullivan Theater which is owned by CBS has the Late Show
One of David Letterman's earliest roles before he made it as a television host was as a guest star on Mork & Mindy.
CBS/Getty Images
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Photos: David Letterman's Early Career

Apr 03, 2014
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