Fukasaku was very energetic when it came to film making, and it is said that words such as 'Go!' 'Do it' and 'Die!' were almost all he said during the production of "Jingi naki tatakai."
映画作りに関しては相当にエネルギッシュな人物で、『仁義なき戦い』での演出は、ほとんど「行けー!!」「やれー!!」「死ねー!!」などの言葉で済ましていたそうである。