Noel Coward's Tonight at 8:30, the next attraction in the Acting Company's Salon Series of readings, will take place on April 17 at 7 PM. The evening, directed by Maria Aitken, was originally announced for April 10.

Starring will be Daniel Gerroll, Lisa Harrow, Colin Johnston, Patricia Connolly and Lisa Banes. Gerroll, always busy, has appeared on stage this season in An Experiment with an Air Pump, The Messenger and What You Get and What You Expect. Harrow was the final lead in the Off-Broadway run of Wit.

Coward's collection of nine short plays was originally performed by Coward himself and Gertrude Lawrence. Three of the works will be performed by the Acting Company. Aitken directed Coward's Easy Virtue in London.

Tickets at $35. The Salon is located at 47 Bleecker Street at Lafayette. Call (212) 944-5517 for specific information.

--By Robert Simonson