Apart from Vijay, Leo stars Vijay, Trisha, Myskiin, Priya Anand, Mansoor Ali Khan, and Sanjay Dutt, among others. The trailer announcement poster features Vijay facing an angry hyena, surrounded by snow. 

The makers of Leo are yet to announce whether the film is a part of the Lokesh Cinematic Universe which already consists of Kaithi (2019) and Vikram (2022). The film has cinematography by Manoj Paramahamsa and music by Anirudh Ravichander.

Backed by Lalit Kumar's 7Screen Studio, Leo marks the sophomore collaboration of the actor and filmmaker and will hit the screens on October 19.