Immediately after their miscarriage, the US diplomat Robert Thorn adopts the newborn Damien without the knowledge of his wife. Yet what he doesn’t know is that their new son is the son of the devil.
Gregory Peck Robert Thorn
Lee Remick Katherine Thorn
David Warner Keith Jennings
Billie Whitelaw Mrs. Baylock
Harvey Stephens Damien Thorn
Patrick Troughton Father Brennan
Martin Benson Father Spiletto
Robert Rietti Monk
Tommy Duggan Priest
John Stride Psychiatrist
Holly Palance Young Nanny
Anthony Nicholls Dr. Becker
Roy Boyd Reporter
Sheila Raynor Mrs. Horton
Robert MacLeod Horton
Bruce Boa Thorn's Aide
Don Fellows Thorn's Second Aide
Patrick McAlinney Photographer
Dawn Perllman Chambermaid
Nancy Mannigham Nurse
Miki Iveria First Nun
Betty McDowall American Secretary
Nicholas Campbell Marine
Burnell Tucker Secret Service Man (uncredited)
Ronald Leigh-Hunt Gentleman at Rugby Match (uncredited)
Guglielmo Spoletini Italian Taxi Driver (uncredited)
Freda Dowie Nun (uncredited)
Ya'ackov Banai Arab (uncredited)
Harvey Bernhard Man Walking across Street (uncredited)
Michael Byrne Monk (uncredited)
Leo McKern Carl Bugenhagen (uncredited)
Bill Reimbold General (uncredited)
Michael Leader Rugby Match Spectator (uncredited)
Mary Burleigh Rugby Match Spectator (uncredited)
Ann Barrass Guest at Damien’s Birthday Party
Mark Baxter Boy (uncredited)
Victor Harrington Monk (uncredited)
Suzanne Heimer Rugby Match Spectator
Walter Henry Hospital Orderly
Trevor Wedlock Man Buying Ice Cream at Safari Park (uncredited)