Ellie Kemper: Then
Coming from the world of improv and sketch comedy, Ellie Kemper was a late addition to the cast of “The Office” as receptionist Erin Hannon, but she quickly became a fan favorite. Her optimism brightened up the office and helped her through a rocky relationship with Andy Bernard before she got her fairytale ending with Pete, a.k.a. “Plop,” in the final season.