Japanese actor Hiroshi Koizumi, who appeared in several early Godzilla movies, has died at the age of 88.

According to reports, Hiroshi Koizumi died in Tokyo on May 31 from pneumonia.

Hiroshi Koizumi played the human lead in 1955’s Godzilla Raids Again, the sequel to Toho Studio’s first Godzilla film, which was released in 1954.

He went on to appear in a string of monster films, including Mothra, Godzilla vs. The Thing and Ghidorah the Three-Headed Monster.

His other Godzilla movies included Godzilla vs. Mechagodzilla (1974), The Return of Godzilla (1984) and Godzilla: Tokyo SOS (2003).

Hiroshi Koizumi’s other credits included 47 Samurai in 1962, which also starred Toshiro Mifune, and 1963 war movie Attack Squadron.