As previously reported, the series welcomes new cast members that include Laura Dreyfuss (Hair, Once), who will play Madison, a new member of the Cheerios (along with her twin brother Mason); Billy Lewis, Jr. (national tours of Hair, Spring Awakening, We Will Rock You), who will play twin brother Mason; Noah Guthrie, who will play Roderick, a chubby and shy teen with a voice like Otis Redding; Marshall Williams ("Canadian Idol"), who will play Spencer, the new resident "football stud" (who is also gay); and Samantha Ware (The Book of Mormon), who will play Jane, a new (and very pretty) New Directions member.

Guest stars include Gina Gershon as Blaine's mother, Gloria Estefan as Santana's mother and Ken Jeong and Jennifer Coolidge as parents to the character of Brittany, among others. 

The final season of the long-running program is described as such: "New Directions' original star, Rachel Berry (Golden Globe Award nominee Lea Michele), comes home to Lima, after her humiliating failure as a TV actress, and discovers that Sue Sylvester (Emmy Award winner Jane Lynch) has banished the arts at McKinley."

Throughout its closing season, McKinley alumnae will return to say goodbye to the award-winning musical comedy.

"Glee" co-creator Ryan Murphy said in April that the final season "dwells on the original people on the show and what happens to them and how they give back."

"Glee" is produced by Ryan Murphy Television in association with 20th Century Fox Television. Murphy, Brad Falchuk, Ian Brennan and Dante Di Loreto serve as executive producers.

Visit Fox.com/Glee.