Emily Watson

Mother Superior Valya Harkonnen

Olivia Williams

Reverend Mother Tula Harkonnen

Travis Fimmel

Desmond Hart

Jodhi May

Empress Natalya Arat Corrino

Sarah-Sofie Boussnina

Princess Ynez Corrino

Chloe Lea

Sister Lila

Chris Mason

Keiran Atreides

Mark Strong

Emperor Javicco Corrino

Jade Anouka

Sister Theodosia

Edward Davis

Harrow Harkonnen

Faoileann Cunningham

Sister Jen

Aoife Hinds

Sister Emeline