Credits

• 2001 · The Making of 'A Charlie Brown Christmas' as Self
• 1971 · A Little Game as Stu Parker
• 1970 · The Odd Couple as Phillip
• 1970 · The Boy Who Stole the Elephant as Billy Owens
• 1969 · The Love God? as Boy Scout (uncredited)
• 1968 · He's Your Dog, Charlie Brown as Linus Van Pelt
• 1967 · You're in Love, Charlie Brown as Linus van Pelt (voice)
• 1967 · The Invaders as Jimmy
• 1967 · The Invaders as Johnny
• 1966 · It's the Great Pumpkin, Charlie Brown as Linus Van Pelt (voice)
• 1966 · Charlie Brown's All-Stars! as Linus van Pelt (voice)
• 1965 · Peanuts as Linus van Pelt (voice)
• 1965 · A Charlie Brown Christmas as Linus Van Pelt (voice)
• 1963 · A Boy Named Charlie Brown as Linus Van Pelt (voice)