Niall first major breakthrough was in the Canadian teen drama ‘The Best Years’. Set in Boston, the series followed the fortunes of Samantha Best (Charity Shea) as she settled into a fictional Ivy League school.
Niall played the role of Trent Hamilton. A troubled teen, he has a difficult relationship with his parents, and ws an habitual user of cocaine. He became romantically involved with series protagonist Samantha, but continually had doubts over their relationship
The series aired on Global in Canada and The N in the United States.
Appearances – Season 1, Main Cast. (Series airdate May 22, 2007 – August 14, 2007)