The cast of "13" is a mix of adults and teens. On the adult side, Josh Peck plays Rabbi Shapiro, Peter Hermann and Debra Messing play Evan's mom and dad, and Rhea Perlman plays his grandma. Eli Golden is Evan. Gabriella Uhl plays Patrice, Ramon Reed plays Eddie, JD McCrary plays Brett, and Frankie McNellis plays Lucy. Lindsey Blackwell, Jonathan Lengel, Nolen Dubuc, Luke Islam, Shechinah Mpumlwana, Kayleigh Cerezo, Wyatt Moss, Liam Wignall, and Khiyla Aynne round out the cast.