Biography

Was originally cast as Eli Sunday in There Will Be Blood (2007) but was replaced by Paul Dano, who also played Eli's brother Paul, and the story was changed accordingly.

Won PBS's 2nd POV Hackathon for digital storytelling.

Brother is Kramer O'Neill.

Spent four years traveling through ten countries while working on the documentary project "Empire".

Has a daughter Isadora Jongsma O'Neill.

The process of finding individuals is mysterious. Many times we start our research by saying "wouldn't it be interesting if this thing existed?" and then we go out into the world and find that thing. The Nazi reenactors in Indonesia, for instance. We just kind of knew that they were out there before we had any proof.