Michael Greco. Michael Greco was >> in Green Grass as 'Executive Producer, Director, Writer'Mariana Ospina-Arteaga. Mariana Ospina-Arteaga was >> in Green Grass as 'Producer'Lindsey Serlin. Lindsey Serlin was >> in Green Grass as 'Executive Producer'Garus Booth. Garus Booth was >> in Green Grass as 'Compositing Artist, Animation, Visual Effects, Editor'Ted Rosnick. Ted Rosnick was >> in Green Grass as 'Music Supervisor, Sound Designer'Levi Considine. Levi Considine was >> in Green Grass as 'Foley Artist, Sound Designer'Youp Zondag. Youp Zondag was >> in Green Grass as 'Storyboard Artist, Modeling, Production Designer, Animation'Mathieu Martel. Mathieu Martel was >> in Green Grass as '3D Animator, Compositing Artist, Visual Effects, 3D Modeller'