The film also stars Sanjay Dutt, Trisha, Priya Anand, Arjun, Mansoor Ali Khan and others in pivotal roles. The film is produced by Lalith Kumar under his banner Seven Screen Studio.
Lalit Kumar already announced that the audio launch of Leo would not take place in Chennai as usual but rather in a different city in front of a huge audience.
The film will also feature SJ Suryah as the main antagonist. SJ Suryah has previously worked with Vijay as an actor in Mersal and as a director in Kushi.