Leonard Nimoy, an American actor and director born March 26, 1931, is best known for his iconic live-action role as Spock in the Star Trek franchise. While his career spanned film, television, and photography, he also contributed his distinctive voice to several significant animated and video game projects, many of which fall within the anime and anime-adjacent genres. His voice work is characterized by a deep, sonorous quality that he brought to a range of powerful and often villainous characters.

One of Nimoy’s most notable contributions to the world of Japanese-inspired media was his role as Master Xehanort, the primary antagonist in the Kingdom Hearts video game series. He voiced this key character in Kingdom Hearts Birth by Sleep and Kingdom Hearts 3D: Dream Drop Distance. The creator and director of the series specifically chose Nimoy for this role because of his legendary performance as Spock, seeking to capture the character's wisdom and gravitas. This role represents a significant recurring collaboration within the Japanese game industry, as the Kingdom Hearts series is a prominent crossover between Disney and Square Enix, employing a distinct anime aesthetic.

In the realm of Western animation with a strong anime influence, Nimoy voiced Kashekim Nedakh, the king of the lost continent, in Disney’s 2001 animated feature Atlantis: The Lost Empire, which features a production style heavily inspired by Japanese anime. He also appeared in the long-running animated series The Simpsons, a show with a global influence that has often parodied anime conventions.

Nimoy’s most famous voice roles are connected to the Transformers franchise, which, while an American property, was brought to life through animation by Japanese studios Toei and AKOM. In 1986, he voiced Galvatron, the re-formed and more powerful version of the Decepticon leader Megatron, in The Transformers: The Movie. Over two decades later, he returned to the franchise to voice Sentinel Prime in the 2011 live-action film Transformers: Dark of the Moon. In a unique twist, Nimoy also provided the voice of his iconic character Spock for this film through the use of archive audio footage from the Star Trek films, effectively playing a dual role. His involvement in Transformers: Dark of the Moon was facilitated by a family connection; director Michael Bay was initially hesitant to ask Nimoy for a role, but Nimoy was married to Bay’s cousin, Susan Bay.

Nimoy’s achievements in voice acting include bringing a sense of history and depth to villainous roles, a testament to his skill as a performer beyond his live-action fame. His work in Kingdom Hearts and the Transformers series, in particular, has left a lasting impression, making him a memorable part of these globally popular franchises. He passed away on February 27, 2015.