Gu follows the fearless eight-year-old Minna on her first visit to her dads ancestral home where she becomes enthralled by the legend of Gulikan, a spectral presence rumored to appear anytime, day or night. When her cousin Paru falls under the grip of an evil entity, Minna and her cousins embark on a courageous mission to banish the malevolent force
| Actor | Role |
|---|---|
 DevanandhaMina | Mina |
 Saiju KurupSai | Sai |
 NiranjanMithran | Mithran |
| VVijay NellizShankar | Shankar |
 Aswathy ManoharanNimisha | Nimisha |
 Nandini GopalakrishnanSulekha | Sulekha |
 Laya SimpsonLakshmi | Lakshmi |
 Maniyanpilla RajuSurendran | Surendran |
 KunchanGopalan | Gopalan |
 Gouri UnnimayaSai's mother | Sai's mother |
 MohanlalNarrator (Voice) | Narrator (Voice) |
| AAlwin MukundAppu | Appu |
| AAadya AmithNot listed | Not listed |
| PPrayaan N PNot listed | Not listed |