At 12 years old, O'Gorman was discovered by a casting agent during a school speech competition. After acting in a number of television roles and the Australian film The Rogue Stallion, he got a starring role in 1995 teen romance Bonjour Timothy, a performance which earned him a nomination for Best Actor at the Giffoni Film Festival in Italy. He is known for The Hobbit trilogy, Young Hercules, and Trumbo.
| Episode |
Westside Episode 6 |
2016 |
| Episode |
Westside Episode 7 |
2016 |
| Episode |
Westside Episode 8 |
2016 |
| Episode |
Xena: Warrior Princess Athens City Academy of the Performing Bards |
1996 |
| Episode |
Legend of the Seeker Deception |
2009 |
| Episode |
Auckward Love So, This is Us |
2015 |
| Episode |
Hercules: The Legendary Journeys Prodigal Sister |
1997 |
| Episode |
Westside Episode 9 |
2016 |
| Episode |
Auckward Love Hunger Games |
2015 |
| Episode |
Xena: Warrior Princess Return of the Valkyrie (3) |
2000 |
| Episode |
Highlander: The Series Manhunt |
1996 |
| Episode |
Westside Episode 2 |
2016 |
| Episode |
Westside Episode 10 |
2016 |
| Episode |
Farscape We're So Screwed (2): Hot to Katratzi |
2003 |
| Episode |
Westside Episode 4 |
2016 |
| Episode |
Farscape We're So Screwed (3): La Bomba |
2003 |
| Episode |
The Brokenwood Mysteries The Dark Angel |
2018 |
