Nathaniel Parker as Armand Gamache

Anthony Lemke as Jean-Guy Beauvoir

Kate Hewlett as Clara Morrow

Gabriel Hogan as Peter Morrow

Patricia McKenzie as Myrna Landers

Mylène Dinh-Robic as Shannon Harris

Deborah Grover as Ruth Zardo

Dylan Trowbridge as Olivier Brule

Susanna Fournier as Yvette Nichol

Mike McPhaden as Ben Hadley

Judith Baribeau as Isabelle Lacoste

Bronwen Mantel as Jane Neal

Keir Cutler as Norman Stickley

Kent McQuaid as Matthew Croft

Janine Theriault as Suzanne Croft

Lynne Adams as Reine-Marie Gamache

Jayne Heitmeyer as Yolande Fontaine

Jean-Carl Boucher as Bernard Fontaine

Ellen David as Brigette Cohen

Larry Day as Brebeuf

Howard Bilerman as Claude Guimette

Jean Nicolai as Solange Frenette