He is best known for his role as Felix Dawkins in the BBC America and Space television series Orphan Black (2013–2017).

[4] Gavaris also co-starred in the original drama Orphan Black for BBC America[5] and Canada's Space.

[6] In 2010, Gavaris was honoured by Playback, Panavision Canada, and The Canadian Film and Television Hall of Fame by being named one of 2010's "Top Ten to Watch".

[8] On August 18, 2014, Gavaris was announced as the winner of the 2014 EWwy Award for Best Supporting Actor in a Drama Series.

Entertainment Weekly writer Dalton Ross has stated that he is "not entirely convinced that it's not his normal accent that he's faking."