Born in Vancouver, British Columbia, to a father involved in the lumber industry, Nakamura studied at Britannia Secondary School before enrolling at a music academy to become a baritone singer.
[4] In the meantime, he was selected by the opera singer Yoshie Fujiwara to appear as Escamillo in Carmen in a performance at the Kabuki-za.
[4] He became a contract actor at the Toho Studios in 1942, and started appearing in roles in such films as The Opium War (1943), Ano hata o ute, and Aru yoru no tonosama (1946).
[5] Writing about Tokyo File 212 in his book Korean War Filmography, Robert J. Lentz opined that "Nakamura [was] smooth and oily as the villain Oyama, who at heart [was] as much a capitalist as a Communist".
[6] His other prominent roles include Dr. Robert Suzuki in George Breakston's science-fiction horror film The Manster (1962), Japanese Ambassador in the international co-production Red Sun (1971), Dr. Kawamoto in the B-movie The Last Dinosaur (1977) and other roles in Oriental Evil (1951), Futari no hitomi (1952), The H-Man (1958), Mothra (1961), The Lost World of Sinbad (1963) and Kokusai himitsu keisatsu: Kagi no kagi (1965).