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Stiller's talent soon became evident on set when he created comedic chemistry with Estelle Harris's Estelle Costanza. The stark contrasts in their performances found humor in their interactions—Stiller as the meek, submissive husband perfectly complemented Harris's loud and boisterous character. Larry David’s instruction for Stiller to adopt a more reserved demeanor at first served to enhance the eventual explosive hilarity that the two would achieve together.