During the process of filming "Vengeance for Sale," its leading actor Hiroyuki SANADA served him as his assistant in conveying messages and giving instructions (even at the premier presentation, the actor stayed with him on the stage while he was making a speech, and sat close to him in order to inform him of the reactions of the spectators).
『助太刀屋助六』では主演の真田広之が伝令など補佐役を務めた(舞台挨拶などでも傍につき、会場の反応などを伝えていた)。