Betty White, left, Debra Jo Rupp and Tom Poston on "That 70s Show" in 2003.
(Photo: FOX Broadcasting)
Which actor appeared in more television sitcoms than any other? Well, sometimes these things are hard to quantify. But, if you watched a sitcom in the 1990s, chances are you saw the same comedic actor that many people also saw in the 1950s.
This funnyman appeared on at least 45 series during his 50-year career. Want to find out who it is and if he appeared in some of your favorite shows? Watch the video for more details.
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