The story of an Indian boy named Pi, a zookeeper's son who finds himself in the company of a hyena, zebra, orangutan, and a Bengal tiger after a shipwreck sets them adrift in the Pacific Ocean.
| Pi Patel | Suraj Sharma |
| Adult Pi Patel | Irrfan Khan |
| Pi Patel (11-12 Years) | Ayush Tandon |
| Pi Patel (5 Years) | Gautam Belur |
| Santosh Patel | Adil Hussain |
| Gita Patel | Tabu |
| Ravi Patel (7 Years) | Ayaan Khan |
| Ravi Patel (13-14 Years) | Mohd Abbas Khaleeli |
| Ravi Patel (18-19 Years) | Vibish Sivakumar |
| Writer | Rafe Spall |
| Cook | Gérard Depardieu |
| Older Insurance Investigator | James Saito |
| Younger Insurance Investigator | Jun Naito |
| Priest | Andrea Di Stefano |
| Anandi | Shravanthi Sainath |
| Mamaji | Elie Alouf |
| Science Teacher | T.M. Karthik |
| Indian History Teacher | Amarendran Ramanan |
| Librarian | Hari Mina Bala |
| Buddhist Sailor | Edison Wang |
| Tsimtsum Captain | Ko I-chen |
| Sailor | Jag Huang |
| Selvam | Ravi Natesan |
| Bully | Adyant Balaji |
| Bully | Chirag Agarwal |
| Bully | Ahan André Kamath |
| Bully | Om Kamath |
| Bully | Srilekh Katta |
| Anandi's Friend #1 | Swati Van Rijswijk |
| Anandi's Friend #2 | M. Keerthana |
| Dancer | Indumohan Poornima |
| Dancer | Josephine Nithya B. |
| Dancer | Samyuktha S. |
| Dancer | A. Deiva Sundari |
| Dancer | G. Vasantakumary |
| Dancer | A. Vithya |
| Pi's Wife | Mythili Prakash |
| Pi's Son | Raj Patel |
| Pi's Daughter | Hadiqa Hamid |
| Muslim Worshipper | Iswar Srikumar |
| Dance Master | Padmini Ramachandran |
| Richard Parker (voice) (uncredited) | Frank Welker |
