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Behind the anime
Voice actor
Marielle Ostrowski is a voice actor known for voicing Diana Cavendish in Little Witch Academia (TV) and Mana in Yu-Gi-Oh!.
Marielle Ostrowski has five listed credits as a voice actor.
In the voice booth, Marielle has played leads such as Alice (Pokémon: The Rise of Darkrai).
Our catalog lists five credits, including Little Witch Academia (TV), Yu-Gi-Oh!, and Pokémon: The Rise of Darkrai.
Listed roles include Diana Cavendish, Mana, Alice, and Alicia.
Browse titles and the roles they contributed.
Notable roles, most popular first.
