Guest Stars Meg DeLacy as Nyla Emma Fassler as Laurel Lindsay Pearce as Rebecca Granger Haley Lu Richardson as Ellie Dennis Keith Powers as Zach Anna Ross as Heather Granger Alex Carter as Dr. Marcus Granger Eileen Galindo as Brianna Discala-Leoni Lucas Adams as Benji Cassie Hernandez as Student #1 Luis Selgas as Tobias Sam Marra as Student #2 Jordan Ray Fox as Stoner #1