Antappan Weds Ancy is scripted by director Sanoop along with Joseph Vijeesh. The film, set in Chellanam, is said to be based in real-life incidents. It is produced by filmmakers G Marthandan, Ajai Vasudev and M Sreeraj AKD.

Neha Nair and Yakzan Gary Pereira, who did the music for Sumesh and Ramesh, have been retained for Antappan Weds Ancy.