Guest Stars Saskia Reeves as Catherine Standish Christopher Chung as Roddy Ho Rosalind Eleazar as Louisa Guy Aimee-Ffion Edwards as Shirley Dander Kadiff Kirwan as Marcus Longridge James Callis as Claude Whelan Ruth Bradley as Emma Flyte Tom Brooke as JK Coe Naomi Wirthner as Molly Doran Joanna Scanlan as Moira Tregorian Sean Gilder as Sam Chapman Joshua Lacey as Tattoo Dog Tom Wozniczka as Patrice Leroy Kincaide as Beard Dog Turlough Convery as Dancer Blaine Maria Louis as Care Home Nurse Dimeji Ewuoso as Tactical Dog
