THEN: Shelley Long as 'Diane Chambers'
Sophisticated and educated, Diane Chambers is the complete opposite of bar owner Sam Malone. She is forced to become a cocktail waitress at "Cheers" after her fiance walks out, and later ends up in a tumultuous relationship with Sam. She eventually leaves Boston to pursue a writing career in Los Angeles. —XFINITY Entertainment Staff (Photo: NBC)
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