Kristy McNichol

"Season Premiere -- Gary Frank stars as Willie Lawrence, and Meredith Baxter-Birney (left) and Kristy McNichol are starred, respectively, as his sisters, Nancy, and 'Buddy', on the popular ABC Television Network's drama series, 'Family', which will return for its second full season on TUESDAY, SEPT. 13 1977 (10:00 - 11:00 p.m., EDT) on the ABC Television Network."