Guest Stars Julian Bailey as Peter Morrow Sarah Booth as Yvette Nichol Anna Tierney as Clara Morrow Marie-France Lambert as Reine-Marie Tantoo Cardinal as Bea Mayer Anna Lambe as Blue Two-Rivers Clare Coulter as Ruth Zardo Georgina Lightning as Arisawe Two-Rivers Tamara Brown as Myrna Landers Gryffin Hanvelt as Young Gamache Rylie Abakan Simon as Pearl Isabel Deroy-Olson as Kara Two-Rivers Frédéric-Antoine Guimond as Olivier Brulé Frank Schorpion as Pierre Arnot Pierre Simpson as Gabri Dubeau Crystle Lightning as Missy Two-Rivers Marie-Josée Bélanger as Gamache's Mother Max Laferrière as Mike Blake Colton Clause as Kevin Kis Patricia Summersett as Angela Blake Hazgary Colin as SQ Officer Search Team #2 Michael Hearn as Arthur Ellis Simon Pelletier as SQ Scene Guard Juliette Louie as SQ Officer Search Team #1 Leisa Reid as Female SIJ Agent Konwaherawi Cross as Young Indigenous Girl Yue Qi as Dante