We know for a fact now that actor Simbu is part of Mani Ratnam’s upcoming multi-starrer.

The yet-to-be-titled film has generated a lot of interest among fans for its ensemble cast along with A. R. Rahman’s music.

Simbu will be joined by 'Makkal Selvan' Vijay Sethupathi, who is now one of the hottest stars in the Tamil film industry.

Actor Arvind Swamy, a frequent artist Mani Ratnam collaborates with is also in the film.

Jyothika, who will next be seen in director Bala’s Naachiyaar next month also has a starring role in the ace director's film.

Fahadh Faasil, who delivered a satisfactory performance in Sivakarthikeyan’s Velaikkaran is a valuable addition to the cast.

Aishwarya Rajesh, who shot to prominence in Kaaka Muttai and will be next seen in Vikram’s Dhruva Natchathiram and Dhanush’s Vada Chennai has bagged a meaty role too.

Up-and-coming Malayalam actor Antony Varghese too is being talked for a role in the film as per reports.

In addition, Aditi Rao Hydari, whom Ratnam collaborated in his previous film, Kaatru Veliyidai is also said to be up for a role.

In the midst of such a huge casting, pre-production work on the film is said to have begun a while back. Likewise, a video of the multi-talented Simbu has now surfaced showing the actor hard at work in the gym for his role. STR’s aggressive and dynamic workout mode suggest his role in the film demands a toned physique. 

Looks like we can expect a buff Simbu by the time the film flags off.