During the filming of The Omen, Davey-Fitzpatrick was never told that his character was supposed to be the son of the Devil; co-star Julia Stiles has commented that it was because the filmmakers thought "he was too young to understand it".
dˈʊɹɹɪŋ ðə fˈɪlmɪŋ ʌvðɪ ˈoʊmɛn, dˈeɪvifɪtspˈætɹɪk wʌz nˈɛvɚ tˈoʊld ðæt hɪz kˈæɹɪktɚ wʌz səpˈoʊzd təbi ðə sˈʌn ʌvðə dˈɛvəl; kˈoʊstˈɑːɹ dʒˈuːliə stˈaɪlz hɐz kˈɑːmɛntᵻd ðˌɐɾɪt wʌz bɪkˈʌz ðə fˈɪlmeɪkɚz θˈɔːt "hiː wʌz tˈuː jˈʌŋ tʊ ˌʌndɚstˈænd ɪt".