Shizuka naru Don | 静かなるドン Author: xaxa | Friday, 23 December 2011
Title in English: The Quiet Don | Yakuza Side Story
Broadcast period: from 1994-Oct-21 to 1995-Mar-17
Cast: Nakayama Hideyuki, Ishida Yuriko, Nogiwa Yoko, Kaga Takeshi, Ato Kai
Live-action of the manga by the same title.
Thanks to saigo_x for the links.