Especially, "The Elegant Life of Mr. Everyman," for its uniquely cynical point of view on the mind-set of a man of his generation that lived through World War II in his youth, and "Human Bullet," for its interpretation mixed with comical elements, have been highly evaluated to date, and he himself commented during his life that these two were his favorite films.
特に『江分利満氏の優雅な生活』や『肉弾』は、岡本と同年代の戦中派の心境を独特のシニカルな視点とコミカルな要素を交えて描いた作品として現在まで高い評価を得ており、生前、岡本自身も好きな作品として挙げている。