Guest Stars Sarah Booth as Yvette Nichol Julian Bailey as Peter Morrow Anna Tierney as Clara Morrow Tantoo Cardinal as Bea Mayer Anna Lambe as Blue Two-Rivers Georgina Lightning as Arisawe Two-Rivers Clare Coulter as Ruth Zardo 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 Pierre Simpson as Gabri Dubeau Marie-Josée Bélanger as Gamache's Mother Joe Cobden as Hayden Smith Ali Hand as Sophie Joshua Odjick as Tommy Kis Jessica Lee as Drunk Kid #1 Madelyn Keys as Drunk Kid #2 Liam Pryce Condo as Drunk Kid #3 Emmet Graham as Drunk Kid #4 Simone Dumoulin as Sophie's Piano Double Violet Sutherland as Young Bea Arthur Holden as The Caretaker Deena Aziz as Kathleen Baker Theresa Fox as Mohawk Singer #2 Katsitsionni "Melissa" Fox as Mohawk Singer #1 Rawennawanen Keese Olivier Swamp as Mohawk Boy #2 Dreyden David as Mohawk Boy #1 Tehahsitaieronni Thomas Deer as Matthew / Niyaaniipuu Bryan Morneau as SQ Officer
