Guest Stars Sarah Booth as Yvette Nichol Julian Bailey as Peter Morrow 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 Pierre Simpson as Gabri Dubeau Rylie Abakan Simon as Pearl Frank Schorpion as Pierre Arnot Isabel Deroy-Olson as Kara Two-Rivers Frédéric-Antoine Guimond as Olivier Brulé Marie-Josée Bélanger as Gamache's Mother Max Laferrière as Mike Blake Colton Clause as Kevin Kis Marcel Jeannin as Superintendent Francoeur Patricia Summersett as Angela Blake Joshua Odjick as Tommy Kis Yanna McIntosh as Estelle Robert Montcalm as Daniel Chowski Nicolas Paquin as Gamache's Father Chantal DesJardins as Newscaster Elisabeth Etienne as SQ Officer 1 Sabrina Auclair as SQ Officer #2