regulation · September 27, 2026
By Joe Jurczyk, Editor
Japanese voice actor Kenjiro Tsuda takes TikTok to court over an AI voice clone
Tsuda is asking the Tokyo District Court to order TikTok to remove videos narrated by an AI imitation of his voice, in what reports describe as Japan's first individual lawsuit over vocal identity and AI cloning.
Voice actor Kenjiro Tsuda has brought a case against TikTok in the Tokyo District Court seeking the removal of videos that use an AI-generated imitation of his voice, and a determination of the platform's responsibility for deleting them. Reporting on 27 September 2026 described it as Japan's first individual lawsuit over vocal identity and AI cloning. A ruling was expected on Wednesday 30 September; the court has since ruled, as reported in a separate story.
The videos came from an anonymous account posting urban-legend content narrated in a voice resembling Tsuda's. The account reached more than 200,000 subscribers and generated estimated monthly revenue above 500,000 yen (about US$3,200). TikTok's position, as reported, is that it hosts "a forum where users could post creative and ingenious content within the scope of free speech."
Japan Actors Union executive director Yuko Sasaki said ownership of a voice is a fundamental right, describing an actor's voice as "the result of years of rigorous training and apprenticeship." Actor Bin Shimada warned the industry "can be crushed" if TikTok prevails. Japan's justice ministry published related guidelines in August 2026.
Why it matters for digital humans: Voice is the layer most digital human products depend on and the one with the thinnest legal protection outside the US right-of-publicity states. A ruling either way sets the first Japanese marker on whether a performer's vocal identity is protectable and on how much responsibility a platform carries for hosted clones — which bears directly on consent paperwork, voice-library provenance and takedown workflows for anyone shipping cloned voices into the Japanese market.