Lynn starred in the films Apartment for Peggy, June Bride, Father Was a Fullback, Cheaper by the Dozen, Meet Me in Las Vegas, and Louisiana Hussy. She also appeared in episodes of the TV series M Squad, Lawman, Wagon Train, Bronco, Tales of Wells Fargo, Mickey Spillane’s Mike Hammer, Sugarfoot, National Velvet, The Farmer’s Daughter, The Smothers Brothers Show, The Mod Squad, Little House on the Prairie, and Barnaby Jones. In 2004 Lynn won a TV Land Legend Award for The Andy Griffith Show.