Guest Stars Isabelle Burrows-Brown as Lexi Pearce Sonny Kendall as Tommy Moon Elliot Briffett as Bert Moon Isaac Lemonius as Mackenzie Atkins Alison Newman as DCI Samantha Keeble Mahalia Malcolm as Mia Atkins Tabitha Byron as Scarlett Butcher Cody Briffett as Ernie Moon Isabelle Smith as Hope Fowler