We unfortunately do not have a biography for Mariette Sluyter. Please consider contributing one.
Saber Marionette J to X - Anime Legends Complete Collection
Lime (unknown episodes)
Crest of the Stars: Vol. 1: To the Stars
Spoor (voice: English version)
Jubei-Chan the Ninja Girl - Vol. 1: The Secret of the Lovely Eyepatch
(English version) (voice: English version)