
Jacob Bertrand is an American actor best known for his live-action television work, who lends his voice to Gaku in the English dub of Sakamoto Days.
Bertrand voices Gaku in the English-language dub of Sakamoto Days, one of the young assassins who cross paths with the retired hitman-turned-shopkeeper Taro Sakamoto. It marks one of his relatively rare forays into anime dubbing, set against a resume built mostly in live-action television and family programming.
He built his career as a child actor, headlining Disney XD's Kirby Buckets in the title role and playing Jack Malloy in The Swap, a 2016 Disney Channel original movie. He is also widely known for playing Eli 'Hawk' Moskowitz across seven seasons of Netflix's Cobra Kai, a role he held from the show's 2018 debut through its 2025 finale, and he currently voices Bam in the animated series Batwheels.
Jacob Bertrand currently voices Bam in the animated series Batwheels. He also recently lent his voice to Gaku in the English dub of Sakamoto Days, one of his rare forays into anime dubbing.
Jacob Bertrand voices Gaku in the English-language dub of Sakamoto Days, one of the young assassins who cross paths with the retired hitman-turned-shopkeeper Taro Sakamoto. It marks one of his rare forays into anime dubbing, set against a resume built mostly in live-action television.
Jacob Bertrand is widely known for playing Eli 'Hawk' Moskowitz across seven seasons of Netflix's Cobra Kai, a role he held from the show's 2018 debut through its 2025 finale. He built his career as a child actor, headlining Disney XD's Kirby Buckets in the title role.
Before Cobra Kai, Jacob Bertrand headlined Disney XD's Kirby Buckets in the title role and played Jack Malloy in The Swap, a 2016 Disney Channel original movie. Those credits mark his start as a child actor.
Jacob Bertrand began his acting career in 2007 as a child actor. Born in 2000, he went on to headline Disney XD's Kirby Buckets before landing his best-known role in Cobra Kai.

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