Sitcoms are a major thread in the fabric of the television industry. They've provided millions with joy and entertainment since their inception, and they've had an indelible impact on culture in America and across the globe. They've also been responsible for jump-starting the careers of many actors. John Krasinski became famous because of "The Office." Quinta Brunson is now a household name thanks to "Abbott Elementary." Even a little-known 1980s sitcom gave Juliette Lewis her big showbiz break . Sitcoms are a powerful piece of the entertainment industry.

But not everyone who's been on a sitcom has had the same path as the Krasinskis and the Brunsons and Lewises of the world. While some sitcoms have propelled entire casts into superstardom (take "Friends" and "Seinfeld," for instance),

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