The cast of Manga no genba - 2006 includes: Hiroyuki Amano as Himself, emcee Hisashi Eguchi as himself Takeshi Kusao as Narration Kenji Nojima as Narration Chie Satou as Narration Yasuhiko Tokuyama as Narration
The cast of Gedou gakuen - 1996 includes: Gregory Abbey Yotee as Esedess Iman Boudoir Shannon Conley as Yuuko Sarah Evangeline George Leaver as Abe Xavier Rex Frankie Rome as Akira Deborah Stone as Reiko Bruce Winant as Narrator
The cast of Gokusen - 2002 includes: Jin Akanishi as Hayato Yabuki Otoha as Hitomi Shiratori Mikihisa Azuma as Seiga Baba Moe Fukuda Moto Fuyuki as Takashi Kameyama Mokomichi Hayami as Hikaru Tsuchiya Yukiko Ikeda as Sayuri Wanibuchi Jun Inoue as Kurokawa Hideo Ishiguro Masayuki Izumi as Masayuki ohuchi Kazuya Kamenashi as Ryu Odagiri Ken Kaneko as Tetsu Asakura Keisuke Koide as Kosuke Hyuga Teppei Koike as Keita Takeda Kousuke Kujirai Jun Matsumoto as Sawada Shin Haruma Miura Hiro Mizushima as Hiro Misawa Junta Nakama Yukie Nakama Yukie Nakama as Kumiko Yamaguchi Katsuhisa Namase as Goro Saruwatari Hiroki Narimiya as Takeshi Noda Shun Oguri as Uchiyama Haruhiko Suzuka Ohgo as Young Kumiko Yamaguchi Takafumi Sasai Ikki Sawamura as Tomoya Shinohara Mizuho Takasugi as Okudera Kei Tanaka Shinji Uchiyama as Minoru Tatsukawa Ken Utsui as Ryuichiro Kuroda Eiji Wentz as Masato Yuuki
The cast of Gokkun toraiaru supesharu - 2008 includes: Rei Shiina as herself
The cast of Gokkun Land DX - 2006 includes: Ema Hijiri as herself Yuzuha Hinata as herself Riku Shiina as herself
The cast of Okusama ha gaikokujin - 2006 includes: Adeyto Masaki Azumi as Herself - Assistant Tetsuya Takeda as Himself - Host
The cast of San-nen migomoru - 2006 includes: Toshiki Ayata Midori Kiuchi as Momoko Hidetoshi Nishijima as Toru Erika Okuda as Midoriko Keiroku Seki Sansei Shiomi as Kai Kazuma Suzuki
The cast of Kodakusan keiji - 2006 includes: Atsuko Asano Masanori Ishii Kazuhiko Nishimura Kaori Takahashi
The cast of Gokkun toraiaru supesharu - 2007 includes: Moe Kimishima as herself
The cast of Gokkun kurabu 4 - 2005 includes: Rin Nonomiya as herself
No, they don't. It actually helps prevent aging and keeps them healthy.