Liev Schreiber as Robert Thorn

Julia Stiles as Katherine Thorn

Mia Farrow as Mrs. Baylock

David Thewlis as Keith Jennings

Pete Postlethwaite as Father Brennan

Michael Gambon as Bugenhagen

Seamus Davey-Fitzpatrick as Damien Thorn

Predrag Bjelac as Vatican Observatory Priest

Carlo Sabatini as Cardinal Fabretti

Bohumil Švarc as Pope

Giovanni Lombardo Radice as Father Spiletto

Baby Zikova as Damien - Newborn

Baby Morvas as Damien - Newborn

Baby Muller as Damien - Newborn

Baby Litera as Damien - Newborn

Tomas Wooler as Damien - 2 Years Old

Rafael Sallas as Rome Embassy Marine

Marshall Cupp as Ambassador Steven Haines

Martin Hindy as Haines' Limo Driver

Amy Huck as Nanny

Vince Valitutti as Birthday Party Photographer

Klara Low as Mom at Birthday Party

Laurie Tallack as Tabloid Reporter #1

MyAnna Buring as Tabloid Reporter #2

Harvey Stephens as Tabloid Reporter #3

Kammy Darweish as Saudi Ambassador

Reggie Austin as Tom Portman

Tonya Graves as Thorn's Secretary

Changa Bell as London Embassy Guard

Janet Henfrey as Mrs. Horton

Pavel Cajzl as Wedding Limo Driver

Sara Houghton as Mom at Zoo

Richard Rees as Psychiatrist Hugh Greer

Nikki Amuka-Bird as Dr. Becker

Federico Pacifici as Rome Cab Driver

Alessandra Vanzi as Elderly Nun

Massimo Bellinzoni as Subiaco Monk

Vee Vimolmal as Katherine's Nurse - London Hospital

Joe Towne as Hospital Guard

Curtis Matthew as Secret Service Agent