except for the cut dancers(i.e. Roy, Lois). Once the finale is over they're out the door ASAP. They've likely changed clothes at some point in the show were they're not needed for a long period of time(probably between Val's T&A and Paul's monologue).
A Chorus Line revival played its final Broadway performance on August 17, 2008. The tour played its final performance on August 21, 2011. A new non-equity tour started in October 2012 played its final performance on March 23, 2013. Another non-equity tour launched on January 20, 2018. The tour ended its US run in Kansas City and then toured throughout Japan August & September 2018.