Janusz Nasfeter (15 August 1920 in Warsaw – 1 April 1998 in Warsaw) was a Polish film director, screenwriter and writer.
 A graduate of the National Film School in Łódź (1951).
 Mostly known for films addressed to children but with a universal meaning, for which he received numerous awards at the film festivals in Gdańsk, San Sebastián, Moscow, Belgrade, Venice, Tehran and many others
Justice League is an upcoming American superhero film based on the DC Comics superhero team of the same name, distributed by Warner Bros.
 Pictures.
 It is intended to be the fifth installment in the DC Extended Universe (DCEU).
 The film is directed by Zack Snyder and written by Chris Terrio and Joss Whedon, from a story by Snyder and Terrio, and features an ensemble cast that includes Ben Affleck, Henry Cavill, Gal Gadot, Jason Momoa, Ezra Miller, Ray Fisher, Ciarán Hinds, Amy Adams, Willem Dafoe, Jesse Eisenberg, Jeremy Irons, Diane Lane, Connie Nielsen, and J. K. Simmons.
 In "Justice League", Batman and Wonder Woman assemble a team consisting of Flash, Aquaman, and Cyborg to face the catastrophic threat of Steppenwolf and his army of Parademons.
Zachary Edward Snyder (born March 1, 1966) is an American filmmaker, best known for his action, superhero, and science fiction films.
 Snyder made his feature film debut with the 2004 remake of the horror film "Dawn of the Dead".
 Since then, he has done a number of comic book and superhero films, including "300" (2007) and "Watchmen" (2009), as well as the Superman film that started the DC Extended Universe, "Man of Steel" (2013) and its follow-ups, "" (2016) and "Justice League" (2017).
 He also co-wrote the screenplays for "300", "Sucker Punch" and "".
Tyler Bates (born June 5, 1965) is an American musician, music producer, and composer for films, television, and video games.
 Much of his work is in the action and horror film genres, with films like "Dawn of the Dead, 300, Sucker Punch," and "John Wick."
 He has collaborated with directors like Zack Snyder, Rob Zombie, Neil Marshall, William Friedkin, Scott Derrickson, and James Gunn.
 With Gunn, he has scored every one of the director's films; including "Guardians of the Galaxy", which became one of the highest grossing domestic movies of 2014, and its 2017 sequel.
 In addition, he is also the lead guitarist of the American rock band Marilyn Manson, and produced its albums "The Pale Emperor" and "Heaven Upside Down".
Michael Wilkinson is a costume designer known for his work with Zack Snyder and the DCEU.
 Wilkinson was nominated for an Academy Award for Best Costume Design for the 2013 film "American Hustle".
Cruel and Unusual Films, Inc. is an American film production company that was established in 2004 by filmmaker Zack Snyder, his wife Deborah Snyder, and their producing partner Wesley Coller.
Amir M. Mokri (Persian: امیر مکری‎ ‎ ; born June 11, 1956) is an Iranian-born American cinematographer known for his work on blockbuster action films such films as "Bad Boys II", "Fast & Furious", "Man of Steel" and "," collaborating with directors like Michael Bay, Andrew Niccol, and Zack Snyder.
Deborah Snyder (née Johnson) is an American producer of feature films and television commercials.
 She is married to filmmaker Zack Snyder, and has worked as his frequent producing partner on films such as "Watchmen" and "300".
 She is the co-founder of the production company Cruel and Unusual Films.
Steve Shibuya is an American screenwriter.
 He co-wrote the screenplay for the 2011 film "Sucker Punch", along with director Zack Snyder.
Sucker Punch is a 2011 American fantasy steampunk action film directed by Zack Snyder and co-written by Snyder and Steve Shibuya.
 It is Snyder's first film based on an original concept.
 The film stars Emily Browning, as a young woman who is committed to a mental institution.
 In order to cope, she envisions the asylum as a brothel and teams up with four dancers/prisoners to escape before she undergoes a lobotomy.
 As she collects the items she needs to escape, she enters another level of fantasy, in which the women become strong, experienced warriors.

Question: What type of media do Janusz Nasfeter and Zack Snyder both work with?
Answer: film