How old was Jason Mendelson in…

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Jason Mendelson was ? in Happy New Year, Charlie Brown as 'Marcie (voice)'.

Movie Released: Wed, Jan 01 1986

Jason Mendelson was ? in It's an Adventure, Charlie Brown as 'Milo (voice)'.

Movie Released: Mon, May 16 1983

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Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages

Jason Mendelson was ? in This Is America, Charlie Brown as 'Peppermint Patty (voice)'.

TV Show Released: First Air Date
Fri, Oct 21 1988

Jason Mendelson was ? in The Charlie Brown and Snoopy Show as 'Rerun Van Pelt (voice)'.

TV Show Released: First Air Date
Sat, Sep 17 1983