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 Jenna Burgess as Teen Melissa Caroline Shaw as Featured Vocalist Khobe Clarke as Kyle Brody Romhanyi as No Eyed Man Laura Mac as Lynette Betty Jackson as Walter's Mother Kelsey Lopes as Ilana