High Speed! Free! Starting Days Film's Cast - Tatsuhisa Suzuki as Makoto Tachibana. Haruka's childhood friend and best friend. A first-year at Iwatobi Middle School. His forte in swimming is the backstroke. He has a kind and considerate personality, and he often dotes on Haruka and those around him. He has a very good build, and his swimming style is so hearty that it seems to not match his personality at all.
High Speed! Free! Starting Days: Sosuke Yamazaki. A first-year student at Sano Middle School. During elementary school, he became aware of Haruka and his friends through a swim club tournament. He is an understanding person who is close friends with Rin.