[2][3] He has also appeared in numerous television shows, especially jidaigeki, in which he specializes in villains,[1] and in tokusatsu.
In addition, he is a stage and voice actor with prominent roles in narration, dubbing, and anime.
Mutsumi was a frequent guest star on television dramas and he often played villain roles.
[1] He has appeared in Key Hunter, Mighty Jack, Daichūshingura, Ōedo Sōsamō, Fireman, Lone Wolf and Cub, G-Men '75, Ultraman 80, Uchuu Keiji Sharivan, Shadow Warriors, Ōoka Echizen, Sanbiki ga Kiru!, and Moeyo Ken.
Long-running series that he appeared in multiple times include Taiyō ni Hoero!