'24' trivia and fun facts

Suriya appearing as an old man in this film, for which the make up takes about 5hr to complete.

In '24' movie, Suriya is doing a triple role for the first time.

In an interview with The Hindu, Suriya told that recording of one more track was completed by September 2015. According to lyricist Madhan Karky, for the track "Naan Un", Rahman had composed a tune and wanted him to write something. He came up with the lines - "Naan Un Azhaginile Deivam Unarugiren". Rahman usually reads something for inspiration before composing the tunes and for this particular situation of composing the track, he had picked up a random page from a book and the lines he read there were: "In your beauty I see the manifestation of God" which translates back to "Naan Un Azhaginile Deivam Unarugiren". Karky noted this co-incidence on composing the track

This is the second tamil movie to feature time travelling, after 'Indru Netru Nallai'.

The development of this film dates back to 2009, where the film was to feature actors Vikram and Ileana D'Cruz in lead roles. However, in February 2010, the film was dropped due to difference in opinions between director, producer and actor.