Gregory Peck ...Robert Thorn
Lee Remick ...Katherine Thorn
David Warner ...Jennings
Billie Whitelaw ...Mrs. Baylock
Harvey Stephens ...Damien
Patrick Troughton ...Father Brennan
Martin Benson ...Father Spiletto
Robert Rietty ...Monk
Tommy Duggan ...Priest
John Stride ...The Psychiatrist
Anthony Nicholls ...Doctor Becker
Holly Palance ...Young Nanny
Roy Boyd ...Reporter
Freda Dowie ...Nun
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
Ronald Leigh-Hunt ...Gentleman at Rugby Match
Guglielmo Spoletini ...Italian Taxi Driver
Yakov Banai ...Arab
Leo McKern ...Bugenhagen, archaeologist
