I'm also a little disappointed in the casting, but if word-of-mouth is good, I'll probably still catch it. It would've been fun to see York (she was great in Encores Little Me) or Osnes again, but watching performers new to you can be a thrill as well. Two words: JEFFERSON MAYS...
Just an FYI, the understudies have been added to their website. They are Kevin Worley, Ian Knauer, Tessa Grady & Kristie Kerwin.
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.