It’s A Great Great World is set in Singapore’s legendary amusement park Great World, which was also affectionately known in Hokkien as Tua Seh Kai or 大世界. Spanning the 1940s to the present day, the film tells the stories of a multitude of characters who lived, worked, played, sang, danced and fell in love in Great World.
| Actor | Role |
|---|---|
 Yvonne LimTan Ah Huay | Tan Ah Huay |
 Ben YeoAh Siong | Ah Siong |
| OOlivia AngAh Min | Ah Min |
 Nancy Sit Ka-YinMrs Tan | Mrs Tan |
 Marcus ChinHead Chef Ah Zhim | Head Chef Ah Zhim |
 Chew Chor MengDip Dip Seller | Dip Dip Seller |
 Chen Tian WenBellboy | Bellboy |