The cast of Mainely Improv will be performing their comedy show at 7 p.m. Friday at Baxter Brewing Co., 130 Mill St., Lewiston. Mainely Improv has been creating “on-the-spot” comedy since 1995 and are known for their spontaneous fun based entirely on suggestions from the audience. The cast often includes Dan Marois of Poland Spring, Brian Files of Gardiner, Bob LeBlanc of Newburyport, Massachusetts, Katie Nadeau of Waltham, Massachusetts, Marie Stewart Harmon of South Portland, Steve Corning of Lewiston, Amanda Kinsey of Monmouth, Greg Simpson of Minot, Julie Poulin of Monmouth, and soon-to-be-added cast members. The event is free and open to the public. For more info, go to baxterbrewing.com or mainelyimprov.com.