Marlies Bosmans is a Belgian actress and voice actress born in Mol, Belgium, on October 12, 1992. She began her artistic training at the age of thirteen, studying word and drama at De Kunsthumaniora in Antwerp. She later attended the Lemmensinstituut in Leuven before being accepted into the Toneel- en Kleinkunstacademie in Amsterdam, from which she graduated in 2016. She is also known as a theater writer and director, and is a member of the collective Club Kenau.

Bosmans is active in theater, film, and television, with guest roles in series such as Vermist, Witse, and Fuck you very very much. Her voice acting work spans dubbing for animated films and series, as well as audiobook narration; she was nominated for a Storytel Award as best reader in 2021.

In the field of anime, Marlies Bosmans is known for providing the Dutch voice for the character Katie Forester in the series Yo-kai Watch. Katie Forester is a young student and a classmate of the protagonist Nate, often portrayed as a kind and intelligent girl who is his primary love interest. Bosmans' other voice roles are primarily in non-anime media, including the Dutch versions of the film Beauty and the Beast (Belle en het beest) and the series Power Rangers.