The cast of the “Ore Monogatari!!” live-action:

Takeo Gouda played by: Ryohei Suzuki (鈴木亮平)
Rinko Yamato played by: Mei Nagano (永野芽郁) 
Makoto Sunakawa by: Kentaro Sakaguchi (坂口健太郎)

From the official twitter of the movie. Here‘s a version of the photo with more liveful colours. Looks cute anyway…