08/01/2012 04:37 pm ET Updated Oct 01, 2012

'Glee' Season 4 New Cast: Jacob Artist And Melissa Benoist On Set (PHOTO)

We know "Glee" is gaining four new cast members in Season 4 and now we have some details on who they'll be.

Ryan Murphy tweeted a photo of Jacob Artist, who's joining the show as Puck's younger, half-brother Jake, and Melissa Benoist, who will play Marley, on the "Glee" set.

But Murphy's portmanteau for Jake and Marley (Jarley) hints that these two will be getting together when "Glee" Season 4 debuts in September in its new Thursday night timeslot.

It's also been revealed that "Glee" Season 4 will open with Adele's "Chasing Pavements". The new season will also include guest appearances by Kate Hudson and Sarah Jessica Parker. On the topic of guest stars, Murphy said on Twitter that Gwyneth Paltrow can come back "anytime she wants."

"Glee" Season 4 kicks off Thurs., Sept. 13 9 p.m. ET on Fox.

Click through the slideshow below for more "Glee" Season 4 spoilers, including details on a two-part Thanksgiving episode, "The Break-Up" and Heather Morris.

Glee Season 4 Details