Rahul embarks on a journey to a small town in Tamil Nadu to fulfill the last wish of his grandfather: to have his ashes immersed in the Holy water of Rameshwaram. En route, he meets a woman hailing from a unique family down South. As they find love through this journey in the exuberant lands of South India, an unanticipated drive awaits them.
| Actor | Role |
|---|---|
 Shah Rukh KhanRahul Mithaiwala | Rahul Mithaiwala |
 Deepika PadukoneMeenamma Lochini Azhagusundaram | Meenamma Lochini Azhagusundaram |
 Nikitin DheerTangaballi | Tangaballi |
 SathyarajDurgeshwara Azhagusundaram | Durgeshwara Azhagusundaram |
 Mukesh TiwariInspector Shamsher | Inspector Shamsher |
 Kamini KaushalRahul's grandmother | Rahul's grandmother |
 Lekh TandonRahul's grandfather | Rahul's grandfather |
| RRakesh KukretiRahul's friend | Rahul's friend |
 PriyamaniSpecial Appearance in "1 2 3 4 Get on the Dance Floor" Song | Special Appearance in "1 2 3 4 Get on the Dance Floor" Song |
 Delhi GaneshVillager | Villager |
 Mohan RamanTemple priest | Temple priest |
 Yogi BabuSri Lankan Smuggler | Sri Lankan Smuggler |
| JJasperDurgeshwara's Henchman | Durgeshwara's Henchman |
 Besant RaviDurgeshwara's Henchman | Durgeshwara's Henchman |
| KKing KongPasserby | Passerby |
 Jimmy MosesTruck Driver | Truck Driver |