Davey-Fitzpatrick was born in New York City, and moved with his family to East Stroudsburg, Pennsylvania, where he was raised.
[2] He began acting in commercials for Marriott and Flintstone vitamins,[3] and briefly appeared in an episode of the television series Sex and the City.
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".
He played Will Winslow on Guiding Light before the series' cancellation, and worked with Robert De Niro in Everybody's Fine, a film released in 2009.
He has appeared in such television series as Law & Order, Sex and the City, Damages, The Black Donnellys, and Person of Interest.