#21: Larisa Oleynik as Alissa Strudwick
Alissa Strudwick was Tommy Solomon’s smart, sensible girlfriend—the one person who made him act (almost) like a normal teenage boy. Larisa Oleynik gave Alissa a grounded warmth that balanced Tommy’s alien awkwardness, and their relationship became one of the show’s sweetest, most relatable storylines.

By the time she joined 3rd Rock, Oleynik was already a ’90s TV favorite. Fans knew her as The Secret World of Alex Mack—Nickelodeon’s coolest kid hero—and from The Baby-Sitters Club movie. Her move into a primetime sitcom felt like a natural next step, and she slid right in with charm to spare.
