Dan Beirne as Mackenzie King

Sarianne Cormier as Nurse Lapointe

Catherine St-Laurent as Ruby Elliott

Mikhaïl Ahooja as Bert Harper

Brent Skagford as Arthur Meighen

Seán Cullen as Lord Muto

Trevor Anderson as Mr. Justice Richardson

Marie Brassard as Asbestos Miner

Kee Chan as Dr. Milton Wakefield

Martin Dubreuil as John Christian Schultz

Richard Jutras as Father

Satine Scarlett Montaz as Little Charlotte

Emmanuel Schwartz as Lady Violet

Annie St-Pierre as Joseph-Israël Tarte

Louis Negin as Mother

Lar Simms as Sargent-at-Arms

Charlotte Legault as Angel of Britain

Vance Gillis as Meighen Acolyte #1 / Mountie #1

Simon Lacroix as Meighen Acolyte #2

Ève Duranceau as Meighen Acolyte #3

Guillaume Lambert as Pupil (R. B. Bennett)

Bernard Arène as Garbageman O'Malley

Jess Murwin as Miss Cramp

James McGee as Winnipeg Street Urchin / Mountie #2

Theodor Ushev as Giantess of Strathcona

Gordon Masten as President Kruger

Jadyn Malone as Smoking Child

Claude Chamberlan as Compulsive Onanist

Brandon Lising as Albatross / Freezing Orphan