Fukigen na Gene/Cast-Guests

• Akaike Hiroshi (赤池洋) as Hida Nobuo (ep1-2,5)
• Yamada Rena (山田玲奈) as Naomi (ep1)
• Takahashi Miho (高橋美穂) as the beautiful mother (ep1)
• Umemiya Masako as Kamikawa Midori (ep1)
• Takeda Shinji as Yukiya (ep1)
• Shaku Yumiko as Ayaka (ep1)
• Asanaga Saki (朝永沙希) as the clerks (ep1,4)
• Mizuno Tomonori (水野智則) as the clerks (ep1,4,7)
• Kanai Shiko (金井史更) as a boy in the tidelands (ep1,6)
• Kobayashi Tatsuya (小林達也) as a boy in the tidelands (ep1,6)
• Nakasone Kota (中曽根康太) as Yoshio-chan (ep1-2)
• Peter Brenman as the limousine driver (ep1)
• Kate Lambdon as Mrs. Burnett (ep1)
• Haruka Orth as the blond-haired girl (ep1)
• Hattori Asami (服部あさみ) (ep1)
• Iwata Gan (岩田丸) (ep1)
• Tanaka Mitsutaka (田中允貴) (ep1)
• Ishikawa Yuya (石川雄也) (ep1)
• Watase Hiroko (渡瀬広子) as Yayoi (Maoka Dentistry) (ep2,4-5,7)
• Saori (沙央理) as Kazuko (Maoka Dentistry) (ep2,5,7)
• LISSA as Maiko (drone beetle high-school girl) (ep2)
• Koizumi Emiko as Ayano (drone beetle high-school girl) (ep2)
• Tanaka Yoji as Hamaguchi Tsuyoshi (ep2,5-6,10-11)
• Tanaka Hitohiro (田中仁浩) as the waiter (ep2)
• Ailton Demarquialves as Robetto Rolan (ep2)
• Iihara Narumi (飯原成美) as Yoshiko (child) (ep2,8,11)
• Ishida Hiroki (石田大樹) as Yoshiko's first love (ep2)
• Uraoka Kiyoshi (浦岡碧) as a bully boy (ep2)
• Ebina Koichi (海老名航一) as a bully boy (ep2)
• Hirose Mami (広瀬真美) as a Best Jeanist award recipient (ep2)
• Keino Yuka (慶野有香) as a Beast Jeanist award recipient (ep2)
• Tachizawa Rei (立澤麗) as a Beast Jeanist award recipient (ep2)
• Takahashi Etsuro (高橋悦朗) (ep2)
• Muramatsu Yasutoshi (村松保利) (ep2)
• Otsuka Kazuhiko (大塚和彦) (ep2)
• Chikuse Norimitsu (築瀬憲光) (ep2)
• Karube Shinichi (軽部真一) (ep2)
• Masai Maya (政井マヤ) (ep2)
• Muramatsu Toshifumi as Karahashi of Karahashi farms (ep3-4)
• Tsutsui Mariko as the mother who tries to buy the bell cricket (ep3)
• Takaoka Saki as Kitakoji Reiko (former Mrs. Minamihara) (ep3)
• Izumi Yukiko (和泉由希子) as the pharmacy clerk (ep3)
• Ozawa Hideharu (小沢日出晴) as the manager of the bell cricket exhibit (ep3)
• Imai Yuki as the bell cricket boy (ep3)
• Fred Allum as the London market owner (ep3)
• Ito Shiro as Saotome Sanders (ep3-5)
• Umishima Yuki (ep3)
• Nozawa Waka (野沢和香) as Sakurada Mari (ep4)
• Nakamaru Shinsho as Kenichi's father (ep4)
• Gashuin Tatsuya as the literary master Yamada Toranoshin (ep4)
• Katase Nana as Okamoto Megumi (ep4-5,7)
• Matsukawa Mika (松川三夏) as Kenichi's father (ep4)
• Yamada Toru (山田透) (ep4)
• Harada Eriko (原田恵理子) (ep4)
• Uematsu Koji (植松晃士) (ep4)
• Sato Keiko (佐藤景子) (ep4)
• Ezawa Noriyo (江澤規予) (ep4)
• Mark C (ep4)

• Kobayashi Katsuya as Sarumaru (ep5-6,8-9)
• Endo Kenichi as Tezuka Junichiro (ep5-9)
• Sakurai Atsuko as Nanae (Minamihara's stalker) (ep5)
• Mochizuki Misa (望月みさ) as a high school girl (ep5)
• Hori Yuri (堀有里) as a high school girl (ep5)
• Aoki Hajime (ep5)
• Iwamura Miki (岩村美紀) (ep5)
• Shiomi Risa (汐見吏沙) (ep5)
• Manuel (ep5)
• Brigitte (ep5)
• Kato Koki as Aoi Shinji (ep6-7,11)
• Kichise Michiko as the model Ritsuko (ep6-7)
• Min Dong Uk (閔東旭) (ep6)
• Hashiguchi Erina (ep6)
• Suga Kouki (菅光輝) (ep6)
• Yoneyama Erika (米山えりか) as Yumiko (flight attendant) (ep7)
• Odakura Ryoko (小田倉良子) as the trainer (ep7)
• Ebihara Keisuke (海老原敬介) (ep7)
• Sato Mamoru (佐藤護) (ep7)
• Hans (ep7)
• Torii Norihiko (鳥居紀彦) as Hayashi Susumu (newcomer) (ep8-9)
• Aijima Kazuyuki as Jinguji's husband (ep8)
• Takekawa Shuzo (武川修造) (ep8)
• Katayama Miho (片山美穂) (ep8)
• Mori Fujio (森富士夫) (ep8)
• Tengenji Ryu (天現寺竜) (ep8)
• Otsuka Hiroshi (大塚洋) (ep8)
• Tokunaga Atsushi (徳永淳) (ep8)
• Hasegawa Ryo (長谷川遼) (ep8)
• Kunitake Hiroshi (國武大志) (ep8)
• Ichihara Naoya (市原尚弥) (ep8)
• Ogura Yui (小倉惟) (ep8)
• Jinnai Takanori as Yamamoto Hikaru (ep8-11)
• Sakai Toshiya as the cafeteria man (ep9)
• Fujiki Takashi (藤木孝) as Dr. Takiyama (Professor Emeritus) (ep9)
• Mitsui Zenchu (三井善忠) as Yoneda (anti-reclamation group) (ep9-10)
• Okamori Akira (岡森諦) as Asama (the able secretary) (ep9-10)
• Ogata Sayaka as Kobayashi Mitsuko (the attractive secretary) (ep9-10)
• Katsube Nobuyuki as the cabinet minister (ep10)
• Takubo Issei as Hirota (pro-reclamation group) (ep10)
• Oki Eiji (大城英司) (ep10)
• Mine Noboru (峯のぼる) (ep10)
• Okada Tadashi (岡田正) (ep10)
• Ichimaru Masaru (市丸優) (ep10)
• Ishii Satomi (石井里弥) as the high school girl (ep10)
• Azuhata Masakazu (小豆畑雅一) (ep10)
• Kikawa Junichi (木川淳一) (ep10)
• Fujimura Shiho as Aoi Yuko (ep10-11)
• Mano Yuko as the woman with Minamihara (ep11)
• Osugi Ren as the unassuming laboratory head (ep11)
• Onishi Takeshi (大西武志) as the magazine reporter (ep11)
• Taki Naoki (滝直希) as a singing waiter (ep11)
• Nunokawa Hiromi (布川宏美) as a singing waitress (ep11)
• Yoneya Shinichi (米谷真一) (ep11)
• Takahashi Kento (ep11)
• Kinjo Narumi (金城成美) (ep11)
• Miyamaru Maha (宮丸万葉) (ep11)