In the Chushingura, there is a story that tells of a meeting between Kuranosuke and the real Gorobe KAKIMI in which 'Gorobe recognized that Kuranosuke and troupe were the Ako Roshi (masterless samurai of Ako domain) who had tried to attack Kozukenosuke KIRA whereupon Kuranosuke apologized for being an impostor', but, of course, this fiction.
忠臣蔵ものの物語では、「道中で本物の垣見五郎兵衛が出現して内蔵助と会見、五郎兵衛は内蔵助たちを吉良上野介を討たんとする赤穂浪士と察して、自分が偽物だと詫びる」という挿話が入るが、もちろんこれは創作である。