The Duluth Playhouse, Inc. The Duluth Playhouse, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Non-Profit The Duluth Playhouse, Inc. 506 W Michigan StDuluth, MN 55802 | View on Google Maps Christine Gradl Seitz (218) 733-7555 | fax: (218) 733-7554 Visit Site Connect With Us If your business isn't here, contact us today to get listed!