Guest Stars Milly Alcock as Sam Serrato Ed Oxenbould as Paxton Doyle Finn Little as Jake Serrato Robert Mammone as Chief Randy Sosa Anthony Phelan as Arlen Doyle Nic English as Brad Dan Spielman as Father Moran Renee Lim as Marcy Sylvia Keays as Beth Stanley Di Smith as Dotty Fergus Murrell as Carter Sean Barker as Edgar Harris Sana'a Shaik as Lacey Diaz Terry Serio as Rooster Kai Turner as Young Leo Rellim Simpson as Toby Julian Garner as Young Arlen Jon Prasida as Noah John Batchelor as Detective Purcell Claude Scott-Mitchell as Gretchen McGrath Ling Cooper Tang as Principal Taft Angie Diaz as Natalie Andrew Henry as Officer Dinkins Blake Sorensen as Kyle Karina Banno as Erin Nicole Hamblin-Walker as Gretchen's Friend Gretchen Mach as Female Police Officer John Harding as Steve