In his first season with Cape Breton, Roy recorded four shutouts and ultimately won the RDS Cup as the League's top rookie.

Roy played for Canada at the 2011 World Junior Ice Hockey Championships, along with goaltender Mark Visentin, and started the opening game of the tournament against Russia.

[8][9] On November 8, 2013, Roy was traded by the Oilers to the Calgary Flames along with Ladislav Šmíd in exchange for Roman Horák and Laurent Brossoit.

[11] As a free agent, Roy opted to pursue a European career, and signed a one-year deal with Slovenian club, HDD Olimpija Ljubljana, a member of the Austrian Hockey League (EBEL), on July 30, 2015.

[13] After five seasons in Germany with Augsburger, Roy left as a free agent to sign a one-year deal with Hungarian club, Fehérvár AV19 of the ICEHL, on May 13, 2022.