Glenn MendelsonActingShareKnown forAdd7.5It's the Great Pumpkin, Charlie Brown1966 · Schroeder / Shermy (voice)Add7.1He's Your Dog, Charlie Brown1968 · SchroederAdd6.5Charlie Brown's All-Stars!1966 · Schroeder (voice) (uncredited)YearPopularTop ratedAll acting creditsAdd7.1He's Your Dog, Charlie Brown1968 · SchroederAdd7.5It's the Great Pumpkin, Charlie Brown1966 · Schroeder / Shermy (voice)Add6.5Charlie Brown's All-Stars!1966 · Schroeder (voice) (uncredited)