Acting · b. 1957 Gail DeFaria Acting It Was a Short Summer, Charlie Brown Pigpen 1969 He's Your Dog, Charlie Brown Peppermint Patty 1968 You're in Love, Charlie Brown Peppermint Patty (voice) 1967 It's the Great Pumpkin, Charlie Brown Pigpen (voice) 1966 Charlie Brown's All-Stars! Shermy / Umpire (voice) (uncredited) 1966 Agent-readable