This re-edited compilation of three episodes of the 1973-76 LONE WOLF AND CUB TV series actually has two different Daigoros: for most of the film Daigoro is played by Katzutaka Nishikawa, but the Daigoro in the tea stand scene at the beginning is played by Takumi Satô (who took over the role in the third final season). See more
[Daigoro is reliving himself on the roadside as a procession of samurai passes; Ando, seeing him, is amused but Aizawa is angered
Boy! Where are your manners? Do you hear? Be off with you!
Aizawa! What are you going on about? He's only a child, you know.
Don't be silly. A lot he cares about manners provided he can relieve himself. That's what childhood's for: to be free of inhibitions.