Guest Stars Alexa Barajas as Teen Mari Nia Sondaya as Teen Akilah Sarah Desjardins as Callie Sadecki Ella Purnell as Jackie Taylor Jane Widdop as Teen Laura Lee Alex Wyndham as Adult Kevyn Tan Rukiya Bernard as Simone Abara Nicole Amber Maines as Lisa Elijah Wood as Walter Tattersall Nuha Jes Izman as Crystal John Reynolds as Matt Saracusa Andres Soto as Adult Travis Martinez Co Starring Mya Lowe as Teen Gen Aiden Stoxx as Sammy Abara-Turner Caroline Shaw as Featured Vocalist Jenna Burgess as Teen Melissa Khobe Clarke as Kyle Kelsey Lopes as Ilana Brody Romhanyi as No Eyed Man Betty Jackson as Walter's Mother Laura Mac as Lynette