Guest Stars Alison O'Donnell as DI Alison "Tosh" McIntosh Steven Robertson as DC Sandy Wilson Anne Kidd as Cora McLean Mark Bonnar as Duncan Hunter Erin Armstrong as Cassie Perez Julie Graham as Rhona Kelly Stewart Porter as Sgt Billy McBride Finn Den Hertog as Drew Chris Reilly as Alan Isbister Brian Cox as Magnus Bain Tunji Kasim as Hugo Scott Sophia Carr-Gomm as Catherine Ross Frances Grey as Jess Collins Anthony Flanagan as Ewan Rebecca Benson as Sally Henry Matthew Zajac as Alex Henry Gowan Calder as Solicitor Freya Monk as Kitty Collins Jana Reinermann as Gret Cara Kelly as Margaret Henry Jordan Young as Brian Bruce
