Guest Stars Andrea Hart as Janine Muir Anna Leong Brophy as Louise Chiu Jones Carly Anderson as Marie Monroe Laurie Brett as Izzy Alessi Joana Borja as Pia Salvador Morayo Akandé as DC Trina Adebayo Jamie Marie Leary as Skye Alessi Ciaran Alexander Stewart as Gregg Davidson Frances Grey as DCI Catherine Attwood Hiftu Quasem as Saffi Bhav Joshi as PC Naz Ross William Wild as Milo