Square Pegs: Cast Rate: –☹️ Very Bad🙁 Bad😐 Average🙂 Good😃 Excellent🤩 Super! ★ Save Rating✔ Rating Saved! Notify me: –about new episodeabout new seasonabout end of season Subscribe✔ Subscription Saved! Square Pegs Comedy 9/27/82 – 3/7/83 United States GeneralEpisodesCastCharactersGallery Cast See full cast → Merritt Butrick as John "Johnny Slash" Ulasewicz Sarah Jessica Parker as Patty Greene Catlin Adams as Ms. Loomis Jami Gertz as Muffy Tepperman Jami Gertz as Muffy Tepperman Amy Linker as Lauren Hutchison John Femia as Marshall Blechtman John Femia as Marshall Blechtman Tracy Nelson as Jennifer DeNuccio Tracy Nelson as Jennifer DeNuccio Claudette Wells as LaDonna Fredericks Jon Caliri as Vinnie Pasetta Jon Caliri as Vinnie Pasetta
