Gabai Granny is based on the bestseller Saga No Gabai Baachan (Gabai Granny from Saga), which is penned by comedian Shimada Yoshichi as he recounts his childhood memories of growing up under the care of his grandmother.
| Production | Tomoo Ito | Producer |
| Production | Katsuaki Takemoto | Producer |
| Sound | Koichi Sakata | Music |
| Crew | Yasuhiko Miyoshi | Cinematography |
| Editing | Hirohide Abe | Editor |
| Directing | Hitoshi Kurauchi | Director |
| Writing | Yôshichi Shimada | Comic Book |