'Glee' Guest Stars Wish List & New Cast We'll Meet Soon
'Glee' Guest Stars Wish List & New Cast We'll Meet Soon

While "Glee," at its heart, is the story of the core group of New Directions club members and their individual journeys through the wild world of high school, the show also has a variety of auxiliary players and guest stars who come in and spice up that tapestry. Sometimes, like in the case of Darren Criss, the guest can make the transition to full-out star, both on the show and in pop culture. Other times, a guest falls flat and isn't allowed to grow into an obsessed-about character (we won't name names for kindness sake.) With "Glee" returning from its three-week hiatus tonight we round up the upcoming wave of new guest appearances (mainly stocked by "The Glee Project" finalists) and some former guest stars who we'd like to see make a return to the show.

Meet the New Class

Lindsay Pearce (Harmony) -- "The Glee Project" runner-up was already featured in the first episode of the season as Harmony, a Rachel look-and-sound-alike competing for a coveted spot at NYADA, the fictional performing arts college that both Kurt and Rachel are aiming to attend. She, along with her tap-dancing troop of over-achievers, gave an impressive performance of an "Anything Goes/Anything You Can Do" mashup that sent Kurt and Rachel sobbing to their car. She'll be back for one more appearance, likely in a competition episode where she'll be at odds with the New Directions wunderkinds.

Grant Gustin (Sebastian) -- The Dalton Warblers need a new frontman ever since Blaine defected to New Directions, and Sebastian will step in to fill that role in episode five, which also marks the Warblers return to the show since Kurt's return to McKinley last season. Sebastian has been described as the new "Glee" villain, with his sights set on a romantic match with Blaine despite the fact that he's one half of the most talked about "Glee" couple. While there's no confirmation that Gustin will continue to stir up trouble, the popularity of The Warblers last season implies that Glee will keep them around for at least a few musical numbers and a bit of drama.

'Glee' Villain Grant Gustin Is Feeling Lucky

Alex Newell (Unknown) -- The other runner-up from "The Glee Project" will also feature in the mix as a star from a rival school, according to reports. Rumor has it he'll appear soon as the star of Vocal Adrenaline, and there's talk that the self-proclaimed diva will be interacting with Mercedes and Kurt, apropos since "Glee Project" judges described him as a combination of the two characters during his auditions. He made his biggest splashes in his drag alter ego, but it's yet to be confirmed how he'll appear on the show.

Damian McGinty (Rory) -- "Glee Project" co-winner and former member of Celtic Thunder will make his debut multi-episode arc appearance Nov. 1 as Rory, a foreign exchange student from Ireland who lives with (and crushes on) Britt. He'll attempt to join the New Directions straight-away, since they're losing members as people defect to the new rival glee club. He's got two songs in his premiere episode, including "Bein' Green and "Take Care Of Yourself"

Sam Larsen (Unknown) -- The biggest X-Factor of "Glee" casting right now is Larsen, the other co-winner of "The Glee Project" who doesn't yet have a set character or arrival date (spoilers say he won't make an appearance until after the holidays). We're hoping for a good love-match for Quinn, if they go the romance route, or perhaps someone a little more rock and roll who has to learn how to be part of the Glee scene.