themarc has logged 1 out of 23 movies featuring Niall O'Brien. Back to Actors by Popularity.
| Title | Director(s) | Year Released | Watched | Viewed On |
|---|---|---|---|---|
| Excalibur | John Boorman | 1981 | No | N/A |
| Braveheart | Mel Gibson | 1995 | No | N/A |
| King Ralph | David S. Ward | 1991 | Yes | 04/08/2013 |