Year,Series,Role,Notes 1962,Tales of Wells Fargo,Julie Trenton,ep. The Traveler 1962,The New Loretta Young Show,Marnie Massey,26 episodes 1963,The Adventures of Ozzie and Harriet,Celia / Pledge,1 ep. each 1964,Wagon Train,Ann Shelby,ep. The Clay Shelby Story 1967,The Green Hornet,Melissa Neal,2 episodes 1967,The Iron Horse,Emily,ep. Decision at Sundown 1967,Insight,Jenny,ep. All the Little Plumes in Pain 1970,The Young Lawyers,Helen,ep. Where's Aaron 1973,Adam's Rib,Francis,ep. Illegal Aid 1974,Little House on the Prairie,Willa Sweeney,ep. 100 Mile Walk