GLEE original castmembers Heather Morris (Brittany), Mark Salling (Puck), Amber Riley (Mercedes) and Harry Shum, Jr. (Mike) will not be returning to the Fox musical soap as series regulars, TVLine is reporting.Dianna Agron (Quinn) — who was only seen in a handful of episodes last season — is not slated to be back, save for a possible guest appearance here and there.
Morris, Salling, Riley and Shum may also return as occasional guest stars.
GLEE Season 5 premieres on Thursday, September 19.