A1: Accused No. 1 is a 2019 Indian Tamil-language romantic comedy film written and directed by Johnson K in his directorial debut. The film stars Santhanam and Tara Alisha Berry. Producer S. Raj Narayanan of CircleBox Entertainment has produced this movie. The music for the film is composed by Santhosh Narayanan and cinematography is handled by Gopi Jagadeeswaran. The movie was edited by Leo John Paul, song lyrics were penned by Rokesh, art direction was executed by A. Raja, dance choreography by Kalyan and Sandy, and stunts by Hari Dinesh. Principal photography commenced around October 2018. The film was released on 26 July 2019. A1 received positive reviews from critics and became a box-office success.