David Warner (actor) - Wikipedia
Keith Jennings (2006), The Omen Wiki
The Omen movie review & film summary (2006)
Eye For Film: David Warner as Keith Jennings in The Omen
The Omen (1976), The Omen Wiki
Brennan (2006), The Omen Wiki
What is your review of 'The Omen'? - Quora
Keith Jennings (1976), The Omen Wiki
The Omen (1976), Moviepedia