Besides Leviathan, two other films to be released on January 1st have called my attention:
The Imitation Game (Descifrando Enigma) is a 2014 historical thriller film about British mathematician, logician, cryptanalyst and pioneering computer scientist Alan Turing. It stars Benedict Cumberbatch as Turing and is directed by Morten Tyldum with a screenplay by Graham Moore, based on the biography Alan Turing: The Enigma by Andrew Hodges.
Cold in July (Frío en Julio) is a 2014 American crime drama film directed by Jim Mickle, written by Mickle and Nick Damici, and starring Michael C. Hall, Sam Shepard, Don Johnson, and Nick Damici. It is based on the novel of the same name by author Joe R. Lansdale.