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

Matti Ristinen
Medieval Priest

Robert Davide
Corporal Finn

Rupert Degas
Pazuzu (uncredited)

Michel Leroy
Tribesman in Hospital