Omen

Anthony Nicholls

Dr. Becker

Betty McDowall

American Secretary

Billie Whitelaw

Mrs. Baylock

Bruce Boa

Thorn's Aide

Burnell Tucker

Secret Service Man (uncredited)

David Warner

Keith Jennings

Don Fellows

Thorn's Second Aide

Freda Dowie

Nun (uncredited)

Gregory Peck

Robert Thorn

Guglielmo Spoletini

Italian Taxi Driver (uncredited)

Harvey Stephens

Damien Thorn

Holly Palance

Young Nanny

John Stride

Psychiatrist

Lee Remick

Katherine Thorn

Leo McKern

Carl Bugenhagen (uncredited)

Martin Benson

Father Spiletto

Michael Byrne

Monk (uncredited)

Michael Leader

Rugby Match Spectator (uncredited)

Miki Iveria

First Nun

Nicholas Campbell

Marine

Patrick Troughton

Father Brennan

Robert MacLeod

Horton

Robert Rietty

Monk

Ronald Leigh-Hunt

Gentleman at Rugby Match (uncredited)

Roy Boyd

Reporter

Sheila Raynor

Mrs. Horton

Tommy Duggan

Priest

Victor Harrington

Monk (uncredited)