The series stars Shirley Booth as Hazel Burke. Hazel is a live-in maid for the Baxter family. Don Defore plays her boss George "Mr. B" Baxter (a lawyer). Whitney Blake plays his wife Dorothy "Missy" Baxter (an interior decorator). Bobby Buntrock plays their young son Harold "Sport" Baxter. The Baxter's have a big, shaggy dog named Smiley.