He portrayed Sean Taylor in Drumline, Forrest Gates on the fourth season of Buffy the Vampire Slayer and D. L. Hawkins on Heroes.

[1] Roberts has played the roles of Sean Taylor in Drumline, Forrest Gates in the fourth season of Buffy the Vampire Slayer, D. L. Hawkins on the NBC science-fiction drama Heroes.

Roberts is credited with the role of Leo in the 2011 film, Pizza Man.

He played a small role in season 1 of NCIS as a member of a navy base.

[1] On December 17, 2020, Roberts wrote a piece for Variety discussing his tension with his co-star Ali Larter that resulted in his firing from Heroes.