The Musical Theatre Guild of Butler will conduct auditions for its production of “Once Upon a Mattress” at 7 p.m. Sept. 3 and 4 at the MTG Production Center in Butler Memorial Park.

Parts for singers, dancers and actors age 16 and older are available. Audition materials will be provided.

Show dates will be Oct. 11, 12 and 13 at Succop Theater at Butler County Community College.

People to help with set construction and painting, costumes, props, or the crew during the show also are needed.

For more information, call 724-287-8243.