Hosted by Sirius/XM Radio star and Playbill columnist Seth Rudetsky, the series runs through Aug. 31.
Along with the Broadway voices, a lineup of comedy, drag/variety and pop/rock acts will run all summer long.
The line-up includes: Martin (June 28-29); Cheyenne Jackson (July 4-6); Ana Gasteyer (July 12-13); Adam Pascal (July 26-27); Alice Ripley's Ripley Reflects with Jessica Means (Aug. 2-3); Kristin Chenoweth, directed by Richard Jay-Alexander with musical direction by Mary-Mitchell Campbell (Aug. 10); Megan Hilty with Brian Gallagher and Seth Rudetsky (Aug. 13-18); and Megan Mullally's Nancy and Beth also starring Stephanie Hunt (Aug. 27-31).
For tickets visit ptownarthouse.com or call (800) 838-3006.