Kōjirō Hongō and Kōichi Itō have appeared together in 2 films between 1966 and 1967. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 1966 | Gamera vs. Barugon | |
| 1967 | Gamera vs. Gyaos |
Kōjirō Hongō also often with: Shō Natsuki (3), Yoshirō Kitahara (3), Jutarō Hōjō (2), Kōji Fujiyama (2), Noriaki Yuasa (2)
Kōichi Itō also often with: Shō Natsuki (3), Hikaru Hoshi (2), Jun Hamamura (2), Kisao Tobita (2), Yoshihiro Hamaguchi (2)