Themes to consider: the underdog fighting against illegal activities, the bond between the main characters, and the challenges of pursuing one's dreams. The director, Kathir, is known for his attention to detail in Tamil cinema, so maybe that's something to highlight.

First, I should check if there's another movie with a similar title. Wait, I think there's another film called "Dharmadurai" by Kathir, so maybe this is a different version or a sequel? Or perhaps it's the same movie with a slightly different title in different regions. Maybe "Tamilyogi" is a term related to Tamil pride or culture. Hmm, the user might be referring to the 2013 film "Dharmadurai" which was directed by Kathir and featured Vishal and Amala Paul.

Vishal shines as Dharmadurai, delivering a charismatic and relatable performance, while Santhanam’s zany Balakri steals scenes with over-the-top comedy. Their on-screen chemistry is seamless, anchoring the film’s emotional core. Amala Paul (as Dharmadurai’s love interest) brings grace, though her character feels underdeveloped.

Actors involved: Vishal, Amala Paul, possibly others. Vishal is a well-known actor in Tamil films, bringing charisma to his role. Amala Paul as the female lead. Their chemistry might be a point to mention.