Not to mention that Sara did her first run right before her - so they were doing well enough financially to take the risk of a traditional Broadway performer. I want to say they also knew that Jason Mraz would be coming in by this point.
Off-topic, but I hope Sara does a third/final run and closes the show. I don’t think it will closing up shop anytime soon (despite what people here seem to think) but she’s the only Jenna I haven’t seen yet.
I am big. It’s the REVIVALS that got small.