Suggestions by @daydreamer

Imogen Poots

as Queen of the Syndicate in Iron Gold

Jodie Comer

as Queen of the Syndicate in Iron Gold

Rachel Skarsten

as Queen of the Syndicate in Iron Gold

Christina Hendricks

as Harmony in Iron Gold

Hafþór Júlíus Björnsson

as Gorgo in Iron Gold

Clancy Brown

as Scorpio au Votum in Iron Gold

Julian Richings

as Tongueless in Iron Gold

Ian Whyte

as Wulfgar the Whitetooth in Iron Gold

Dolph Lundgren

as Asmodeus au Carthii in Iron Gold

Neil Patrick Harris

as Rhone ti Flavinius in Iron Gold

Frank Dillane

as Marius au Raa in Iron Gold

Todrick Hall

as Tharsus au Rath in Iron Gold

Joe Manganiello

as Seneca au Cern in Iron Gold

Maggie Smith

as Gaia au Raa in Iron Gold

Nora Arnezeder

as Mustang in Iron Gold

Ron Perlman

as Volsung Fá in Iron Gold

Gijs Blom

as Mordred in King Arthur

Stephen Lang

as Helios au Lux in Iron Gold

Andre Meadows

as Ozgard in Iron Gold

Jessica Tuck

as Julia au Bellona in Iron Gold