I'd have to assume since both are staying with the show that they'll have upcoming absences. I'm amazed that Bianca hasn't missed a show yet.
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.
Wick3 said: "My understanding is Cole Escola was coming back after Betty Gilpin's 8 week limited engagement? Or has that changed? Will Conrad and James return as well or is the last performance for the entire original cast in mid-January?"
From James Scully’s social media it does sound like his last day is mid-January.
And it's believed that all four standbys are staying on as well.
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.