Morikawa Toshiyuki-san
Ishida Akira-san
Watanabe Akeno-san
Nakamura Hidetoshi-san
The narration is done by Takeda Shinji-san, who was one of the brothers in the original Night Head film and TV series.
Also, I want to go to this at the end of the month. All four main voice actors from Nerima Daikon Brothers will be there for talk and live. Need time off...