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 'Visual Effects, Animation, Compositing Artist, Editor'Ted Rosnick. Ted Rosnick was >> in Green Grass as 'Sound Designer, Music Supervisor'Levi Considine. Levi Considine was >> in Green Grass as 'Sound Designer, Foley Artist'Youp Zondag. Youp Zondag was >> in Green Grass as 'Modeling, Production Designer, Storyboard Artist, Animation'Mathieu Martel. Mathieu Martel was >> in Green Grass as 'Visual Effects, 3D Modeller, 3D Animator, Compositing Artist'