100 is a 2019 Indian Tamil-language action thriller film written and directed by Sam Anton and produced by Kaviya Mahesh. The film stars Atharvaa and Hansika Motwani, while Radha Ravi and Yogi Babu play supporting roles. The music was composed by Sam C. S., with editing done by Ruben and cinematography by Krishnan Vasant. The film began production during December 2017 and completed its shoot by August 2018.

Atharvaa Murali is an Indian actor who works in Tamil cinema. The son of actor Murali and grandson of director S. Siddalingaiah, Atharvaa began his acting career with Baana Kaathadi (2010). He then garnered critical acclaim for his performance as a youngster suffering from delusion in the romantic thriller Muppozhudhum Un Karpanaigal (2012), before signing on to feature in Bala's period film Paradesi (2013). His role as a rural villager held as a slave in a tea plantation became his breakthrough performance, earning Atharvaa a Filmfare Award for Best Actor in Tamil.