The makers of director SP Shakthivel's Alangu made a major announcement regarding the film's trailer on Monday.

The announcement is that actor Rajinikanth will launch the film's trailer on Tuesday (December 10) at 5 PM.

The film, starring Gunanidhi, Chemban Vinod and Kaali Venkat in main roles, is an action drama inspired by real events that took place near the Kerala-Tamil Nadu border. The title is inspired by the dog breed Alangu, which has connections to Chola emperor Rajaraja the Great's war dogs. A dog also plays an important part in the film.

Apart from the main cast, the film also stars Appani Sarath and Sreerekha in supporting roles.

Shakthivel is well-known for writing and directing films such as Urumeen (2015) and Payanigal Gavanikkavum (2022). He was associated with Manikandan's Good Night (2023) as the film's creative producer.

Producers of Alangu comprise D Sabareesh and SA Sangamithra, who earlier collaborated on the GV Prakash-Gautham Menon film Selfie.

Alangu is shot in the forest locations of Attapadi, Idukki, Anaikatti, Kambam, and Theni. It has cinematography by S Pandikumar, music by Ajesh, and editing by San Lokesh.