In the Tall Grass is a 2019 Canadian supernatural horror movie directed by Vincenzo Natali. It stars Patrick Wilson as Ross Humboldt, Avery Whitted as Cal DeMuth, Laysla De Oliveira as Becky DeMuth, Will Buie Jr. as Tobin Humboldt, Harrison Gilbertson as Travis McKean and Tiffany Helm as Gas Attendant.