Fosse opened on Jan. 14 to mixed reviews but has been playing to near-capacity houses since.
Also stopping by O'Donnell's set, on Mar. 9, is theatre veteran Patti LuPone. LuPone is currently featured in the film "24 Hour Woman."
O'Donnell's show airs in New York on channel 7 at 10 AM. Check local listing for times and stations.