In addition, the new season will have a "show-within-a-show" format featuring some of the graduation seniors at a performing arts school in New York City at the same time as the series will continue focusing on McKinley High in Ohio.
FOX has not officially announced which cast members will return for season four, although Broadway veterans Matthew Morrison and Lea Michele are expected to continue. The series will move to a new timeslot, Thursdays at 9pm, beginning this fall.
Hudson co-starred in the film version of the musical Nine. Parker's Broadway credits include Annie and Once Upon a Mattress, along with the Off-Broadway production of The Substance of Fire.