Guest Stars Phoebe McKellar as Tilly Gardiner Alexander Walker as Joe Turner Nathalie Morris as Emma Ryder Michelle Langstone as Charlotte McCrae Phil Brown as Mark 'Haggis' McCrae Jim Moriarty as Maaka Richardson Ronan Thompson as Walter Schmitt Aysu Shahi as Evelyn McDonald Hester Ullyart as Rosa Burns Arlo Green as Orlando Smythe Maëlys-Lily Foote as Lily Bennett Matthew Chamberlain as DI David Preston Oban Hansen as David Bennett Luka Treat as Teen Boy Ruby Burke as Teen Girl Gemma Weston as Dead Kayaker Jeremy Hill as Tattoo Artist Andrew Kelly as Dodgy Flatmate
