Go, Masao! describes the relationship between people and their dogs. Comedian Hideki Matsumoto and a labrador retriever named Masao are selected to appear on the travel corner segment of a TV animal program. Until Hideki Matsumoto and the labrador retriever Masao become popular, they help each other.
as Hideki Matsumoto
as Satomi Sunaga
as Mizuki Yoshino
as Shigeo Kawara
as Susumu Terajima
as Takeo Machimura
as Yuzo Matsumoto
as Kinu Matsumoto
as Shinichi Sunaga
as Mitsuo Kuroda
as Preschool Teacher
as Narraration
as Tae Murakami
as Boat House Mascot Dog
