Russell Crowe as Father Gabriele Amorth

Daniel Zovatto as Father Esquibel

Alex Essoe as Julia

Peter DeSouza-Feighoney as Henry

Ralph Ineson as Asmodeus (voice)

Laurel Marsden as Amy

Franco Nero as The Pope

Ryan O'Grady as Cardinal Sullivan

Bianca Bardoe as Rosaria

Carrie Munro as Adella

Cornell John as Bishop Lumumba

Santi Bayón as Roberto Vasquez IV (Henry's Dad)

Paloma Bloyd as Interpreter

Alessandro Gruttadauria as Father Gianni

River Hawkins as Enzo / Halphas

Jordi Collet as Carlos

Marc Velasco as Worker 1

Edward Harper-Jones as Young Amorth

Matthew Sim as Cardinal Abato

Victor Solé as Spanish Doctor

Tom Bonington as Vatican Doctor

Andrea Dugoni as Drunken Farmer

Ed White as Nazi Soldier

Laila Barwick as Daughter (Farmhouse)

Gennaro Diana as Italian Priest

Pablo Raybould as Bishop Barbuto

Derek Carroll as Doctor (uncredited)

Ella Cannon as Partisan #2 (uncredited)

Amey De Souza as Villager (uncredited)

Neha Dubey as Young Nun (uncredited)

Niamh McHenry as Resistance Fighter (uncredited)

Ollie Ryan as Workman (uncredited)