Samar (transl. War) is a 2013 Indian Tamil-language mystery action-adventure film written and directed by Thiru. It stars Vishal, Trisha and Sunaina, with Manoj Bajpayee and J. D. Chakravarthy appearing in supporting roles. Richard M. Nathan handled the cinematography, while the film's soundtrack and score were composed by Yuvan Shankar Raja and Dharan Kumar, respectively. Later on, it was dubbed in Hindi as Gabbar Sher in 2016. The story revolves around a trekking guide, who is forced to leave for Bangkok under strange circumstances and witnesses a series of puzzling incidents there. After several delays finally the film was released on 13 January 2013.

Vishal Krishna Reddy, professionally known as Vishal, is an Indian actor and producer who works in Tamil films. Born to film producer G. K. Reddy, Vishal is known for his roles in action films. He also produces films under his production company, Vishal Film Factory. Vishal was conferred with the Kalaimamani award in 2006, for his contributions to Tamil cinema.