Guest Stars Natalie Mendoza as Mathilde Crockett Susannah Fielding as Tamara Valentine Ellie Kendrick as Elenora Crockett Robert Lindsay as Max Crockett Rosalie Craig as Megan Wattal Navin Chowdhry as Pete Wattal Jack Ashton as Jack Valentine Roger Evans as Mikey Wallace Sebastian Knapp as Seth Murdoch Cassie Bradley as Kasha Perry