 Casty enjoyed an excellent season in 2012 which culminated in him being named in the Super League Dream Team.Casty left Catalans to join Sydney Roosters in 2014, and made his debut for the club in the 2014 World Club Challenge.In Round 11 of the 2014 NRL season, Casty made his NRL debut for the Roosters against the Canterbury-Bankstown Bulldogs.