Acting Stacy Heather Tolkin Acting It's Three Strikes, Charlie Brown Sally Brown (voice) 1986 Is This Goodbye, Charlie Brown? Sally Brown (voice) 1983 What Have We Learned, Charlie Brown? Sally Brown 1983 Portrait of a Rebel: The Remarkable Mrs. Sanger Peggy 1980 The Concorde... Airport '79 Irina Markov 1979 Agent-readable