Guest Stars Jacqueline Leonard as Lydia Murdoch Tam Dean Burn as Thomas McCabe Chris Brazier as Ewan Murdoch Robin Laing as DCI Craig Donald Alexander Morton as Billy Kennedy Una McLean as Molly O'Hara Nalini Chetty as Zinnie Hassoun Carme Pieraccini as Kelly Marie Adams Billy McElhaney as Jimmy Mullen Deirdre Davis as Eileen Donachie Ann-Louise Ross as Martina McAllister