Acting Michelle Muller Acting It's Dental Flossophy, Charlie Brown Lucy van Pelt 1979 You're the Greatest, Charlie Brown Lucy van Pelt / Girl (voice) 1979 Tooth Brushing Lucy van Pelt 1978 It's Your First Kiss, Charlie Brown Lucy / Heather - The Cute Little Red-Haired Girl (voice) 1977 It's Arbor Day, Charlie Brown Frieda (voice) 1976 Other Credits The Unemployment Club Extras Casting 2001 Iranian Women's Liberation Movement: Year Zero Sound 1979 Agent-readable