Guest Stars Hayley McFarland as Emily Lightman Jennifer Beals as Zoe Landau Mireille Enos as Cheryl Ambrose James MacDonald as Detective Riley David Harbour as Frank Ambrose Allen Maldonado as Caden Adam Donshik as Aaron Craig Karis Campbell as Sarah Garcia Kurt Caceres as Jack Garcia Harold "House" Moore as Little Sid Co Starring Kristen Ariza as Heidi Annalise Basso as Maggie Ambrose Griffin Cleveland as AJ Ambrose Ali Damji as Agent Cooper Erik Rondell as Firefighter Shauna Stoddart as Laurel Craig