Sean Hayes talks about ‘Will & Grace’ and playing Oscar Levant in new play

CHICAGO — Sean Hayes, the star of “Will & Grace” and a co-host with Jason Bateman and Will Arnett of the podcast “SmartLess,” is now appearing in the hit play “Good Night, Oscar” at the Goodman Theatre. Hayes, who grew up in Glen Ellyn and started his career at the Pheasant Run resort in St. Charles, plays the actor, musician and raconteur Oscar Levant, here seen as a controversial guest on “The Tonight Show” with Jack Paar.

Hayes spoke in a rehearsal room at the Goodman Theatre. The following interview has been condensed and edited for clarity.

Q: You started your career playing piano