* Shōsuke Tanihara as Ryō Saeba
* Nana Katase as Kaori Makimura
* Kenichi Endō as Haiji Tōgō
* Kazue Fukiishi as Naomi Nagase
* Kōichi Satō as Mr. X
* Yōko Maki as Rena Hazuki
* Yōsuke Eguchi as Ryūji Mizuki
* Kaoru Kobayashi as Mamoru Jūmonji
* Kōichi Yamadera as Yūsaku Kudo
* Tetsurō Araki as Jin
* Kōji Tamaki as Shinji Aoshima