Stellan Skarsgård

Father Lankester Merrin

Izabella Scorupco

Sarah Lesno

James D'Arcy

Father Francis

Julian Wadham

Major Granville

Remy Sweeney

Joseph

Andrew French

Chuma

Antonie Kamerling

Lieutenant Kessel

Ben Cross

Semelier

Alan Ford

Jefferies

Ralph Brown

Sergeant Major

David Bradley

Father Gionetti

Eddie Osei

Emekwi

Israel Aduramo

Jomo

Patrick O'Kane

Bession

James Bellamy

James

Cecilia Amati

Little Dutch Girl

Matti Ristinen

Medieval Priest

Lydia Darly

Sebituana's Wife

James Paparella

Boy in Market

Silvio Jimenez Hernandez

Stricken Turkana Worker

Yemi Goodman Ajibade

Turkana Shaman

John Sesay

Turkana Warrior #1

Sayoh Lahai

Turkana Warrior #2

Alessandro Casula

Preacher with Pazuzu

Robert Davide

Corporal Finn

Rupert Degas

Pazuzu (uncredited)

Michel Leroy

Tribesman in Hospital