Ikio Sawamura and Ren Yamamoto have appeared together in 5 films between 1959 and 1966, with a combined box office of ¥3.2 billion. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 1959 | Outpost | |
| 1962 | King Kong vs. Godzilla | $8.7 million |
| 1964 | Mothra vs. Godzilla | ¥3.2 billion |
| 1965 | Frankenstein Conquers the World | |
| 1966 | The War of the Gargantuas | $3 million |
Ikio Sawamura also often with: Ishirō Honda (12), Haruo Nakajima (10), Kenji Sahara (9), Yoshibumi Tajima (9), Hisaya Ito (7)
Ren Yamamoto also often with: Haruo Nakajima (8), Ishirō Honda (7), Kenji Sahara (7), Takashi Shimura (6), Yoshibumi Tajima (5)