COmplete List of Cast Changes on Glee & Guest stars

The main cast will remain the same, but here are Guest roles who have been announced, returns and changess in the cast

Glee Cast Roundup
Promoted to Regulars:
Heather Morris – Britany
Naya Rivera- Santana Lopez
Mike O’Malley – Burt Hummel (guess they are gunning for Best Supporting Actors with this one)

Recurring Role:
Harry Shum Jr. – Mike Chang (He's going to play a bigger role this season, similar to Britany & Santana in Season 1)

Returns Guest Roles:
Jonathan Groff – Jesse St. James
Idina Menzel – Shelby Corcoran
Kristen Chenowith – April Rhodes
Neil Patrick Harris – Bryan Ryan

Replacements:
Dot Jones – Shannon Beiste (Replacing Patrick Gallagher – Ken Tenaka)

Guest Roles:
John Stamos – As Emma Pillsbury’s love interest (Jayma Mays)
Chord Overstreet – Sam Evans (Fin’s friend turn Rival)
Cheyenne Jackson – New Coach for Vocal Adrenaline
Charice – Exchange Student & Rachels Rival
Yet to be announced – Kurt’s boyfriend, who is also a Jock

Other Guest Stars/Cameo’s
Britney Spears – In the second episode of Season two
Carol Burnett – Sue’s Mom
Susan Boyle – Cafeteria Worker on a Christmas Special
Javier Bardem – Rockstar who befriends Artie
Yet to be announced - Britany's REALLY REALLY Smart Sister

*No Word Yet if Molly Shannon will reprise her role as disfunctional teacher Brenda Castle
*No Word yet is Djion Dalton as Matt Rutherford will reprise his role or wil have any major role
*Other Guest Roles who could/will make returns are Sandy Ryerson (Stephen Tobolowsky), Carole Hudson (Romy Rosemont), Principal Figgins (Iqbal Theba) & Jacob Ben Israel (Josh Sussman)

Other minor roles who could possibly or will make returns are:
Max Adler as Dave Karofsky, a member of McKinley High's hockey team who bullies the glee club members.
James Earl, III as Azimio, an African American member of McKinley High's football team who bullies the glee club members
Lauren Potter as Becky Jackson, a member of the Cheerios with Down syndrome.
Robin Trocki as Jean Sylvester, Sue's sister with Down syndrome.
Brad Ellis as Brad, a teacher who is also the pianist who accompanies New Directions

yay to the people that got promoted to cast regulars. i like the guests( yay for javier)

SANTANA A REGULAR <3

MIKE CHANG GETTING A PROMINENT ROLE!!!!

Dammit edited, forgot one
-Yet to be announced - Britany's REALLY REALLY Smart Sister

I think Djon Dalton - Matt might have been cut, i didn't see him as part of the Cast in the promo. Maybe he skipped an episode.