Quebec​ ​Art​ ​Company’s​ ​spring​ ​2018​ ​production​ ​of​ ​the​ ​smash​ ​rock​ ​opera Jesus Christ Superstar ​is​ ​moving​ ​ahead​ ​confidently,​ ​with​ ​talented performers​ ​now​ ​cast​ ​in​ ​featured​ ​roles. QAC​ ​is​ ​now​ ​sending​…