The cast of Glee is currently filming an emotional tribute episode to their late lead Cory Monteith and it looks like some familiar faces are back.

According to E! News, some original castmembers who are no longer on the show are returning for the episode.

Amber Riley (Mercedes), Harry Shum Jr. (Mike Chang), Mark Salling (Puck) and Jayma Mays (Emma) all will appear, along with Dot-Marie Jones (Coach Bieste), Kurt’s father Mike O’Malley (Burt Hummel) and Finn’s mom Romy Rosemont (Carole Hudson-Hummel).

Dianna Agron and Heather Morris are reportedly not in the script. Meanwhile, sources say Lea doesn’t appear until the final act where she sings.

Glee returns on Thursday, Sept. 26 @ 9PM on Fox.