
Mick Wingert is a veteran American voice actor who coaches other performers in the craft, and who plays the Marleyan officer Koslow in Attack on Titan's Final Season. He is also known for voicing Iron Man in various Marvel productions and Heimerdinger in the Netflix series Arcane.
Wingert voices Koslow, a Marleyan military officer and adjutant to Commander Theo Magath, in Attack on Titan's Final Season, appearing across roughly ten episodes between 2020 and 2022. Koslow is written as openly contemptuous of the Eldians under his command, giving Wingert a hard-edged, bitter antagonist to play opposite the show's more sympathetic Marleyan characters.
Wingert is better known for Western animation and games than for anime dubbing. He has voiced Iron Man across several Marvel projects, stepped into the roles of Master Po and Zeng for the series Kung Fu Panda: Legends of Awesomeness, and played Heimerdinger in Arcane. His additional voice-over work spans Mass Effect 2 and The Princess and the Frog.

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Wingert plays Koslow, a Marleyan military officer, in Attack on Titan's Final Season. He is also the voice of Iron Man across several Marvel productions and Heimerdinger in Netflix's Arcane, plus Master Po and Zeng in Kung Fu Panda: Legends of Awesomeness.
Wingert voices Koslow, a Marleyan military officer who serves as adjutant to Commander Theo Magath, in the Final Season. The character appears across roughly ten episodes between 2020 and 2022 and is written as openly contemptuous of the Eldians under his command.
Outside of anime dubbing, Wingert is best known for voicing Iron Man across several Marvel productions and Heimerdinger in the Netflix series Arcane. His career leans more toward Western animation and games than anime.
Wingert's voice-over credits include Mass Effect 2, alongside animated film work such as Disney's The Princess and the Frog. These roles sit within his broader career in Western animation and games.
Wingert, born in 1974, has been active as a voice actor since 2000. He also works as a coach for other performers in the craft.
This content is original writing by Daddy Jim Headquarters based on the Attack on Titan anime series, manga, and official materials. Attack on Titan was created by Hajime Isayama, published by Kodansha, and animated by MAPPA and Wit Studio. All rights to Attack on Titan and its characters belong to their respective owners. Episode and chapter references are cited where applicable.
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