Kenji Sahara and Ren Yamamoto have appeared together in 7 films between 1954 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 |
|---|---|---|
| 1954 | Godzilla | $2.2 million |
| 1956 | Godzilla, King of the Monsters! | $2 million |
| 1961 | Mothra | $2.2 million |
| 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 |
Kenji Sahara also often with: Ishirō Honda (19), Haruo Nakajima (16), Akihiko Hirata (12), Yoshibumi Tajima (11), Ikio Sawamura (9)
Ren Yamamoto also often with: Haruo Nakajima (8), Ishirō Honda (7), Takashi Shimura (6), Ikio Sawamura (5), Yoshibumi Tajima (5)