Guest Stars Ruta Gedmintas as Teresa Morgan Jamie Sives as Jeb Colman Jay Simpson as DS Ron Singer Linda Marlowe as Lynn Brand Pooky Quesnel as Ruth Hyde Alan Williams as Frank Lawson Jade Ogugua as DC Lenny Jackson Tom Beard as DSI Alan Reece David Pusey as DC Max Cauldwell Teddy Fitzpatrick as Young Luke Reid Jude Foley as Older Luke Reid Tommy Potten as Sam Colman Daniel Runacres-Grundstrom as Callum Reid Arsher Ali as DS Vinesh Roy Theo Barklem-Biggs as Jason Byrne Joe Zanetti as Felix Hyde Adam Kotz as Dr Mike Rountree Milo Twomey as Joe Wightman Cleo Sylvestre as Ilse Lawson Madlen Meyer as Nina Huber Glen Wallace as Sean O'Donnell William Ellis as Malcolm James Lotte Spring Rice as Production Assistant