Yuri Lowenthal is an American actor, screenwriter and producer who provided the voice for Sir Galleth Cooper.
Yuri Lowenthal was born in Ohio on March 5, 1971. He didn't become interested in acting until the end of his high school years. In college, he took theater classes and studied in Osaka, Japan during his third year. He moved to Japan as part of the Japan Exchange and Teaching Programme. After two years, he moved to New York City to further his acting career.
After moving to Los Angeles, he and his wife, Tara Platt, took voice-over classes to supplement his on-camera work. The instructor became the English dub director for the anime show SD Gundam Force, and cast Yuri in the dub. This was his first voice-over role, and since then he has provided many voices; including Sasuke Uchiha in Naruto, Kuma in Afro Samurai, Ben Tennyson in the Ben 10 series' and Sir Galleth Cooper in Sly Cooper: Thieves in Time.