Title: Skyline (2010 film)
Content:  In May 2014 at the annual Cannes Film Festival, it was revealed that a sequel titled Beyond Skyline was planned to go into production, but without the Strause brothers as the writers and directors. Instead, Skyline producer and co-writer Liam O'Donnell was brought on board, marking his directorial debut. The film was released in the United States on December 15, 2017. The third film in the trilogy, Skylines, was released on December 18, 2020.
Title: Greg and Colin Strause
Content: Skyline (2010) ; Take Shelter (2011) (executive producers) ; The Bay (2012) (executive producers) ; Beyond Skyline (2017) (producers) ; Skylines (2020) (producers) 
Title: Skyline (2010 film)
Content:  Skyline is a 2010 American science fiction disaster film directed by Greg and Colin Strause and co-produced and written by Liam O'Donnell. It stars Eric Balfour, Scottie Thompson, Brittany Daniel, Crystal Reed, David Zayas, and Donald Faison as a group of Los Angeles residents who witness an alien invasion while in a condominium. The film was released on November 12, 2010, in the United States. Despite negative reviews from critics, Skyline was a box office success, grossing $68 million worldwide against its $10–20 million budget. Skyline was followed by two sequels: Beyond Skyline (2017) and Skylines (2020). Both subsequent films were written and directed by O'Donnell, and produced by O'Donnell, the Strause brothers and Matthew E. Chausse.
Title: Skyline (2010 film)
Content:  Composer Matthew Margeson is a colleague of Brian Tyler, who served as one of the film's executive producers.
Title: Skyline (film series)
Content:  Film series co-writer and two-time director, Liam O'Donnell stated that the each installment intentionally explores additional science fiction genres. The filmmaker stated that various directors were influential on his work within the series, including: James Cameron, Kathryn Bigelow, George Miller, Paul Verhoeven, John Carpenter, George Lucas, Steven Spielberg, James Wan, Leigh Whannell, and Jordan Peele. Skyline, which the filmmaker stated was limited by a smaller budget, was intended to be similar in tone to found-footage horror. Creatives involved were intent with depicting a realistic real-world alien invasion. With the extensive post-production process, the project consisted of extensive CGI special effects, where much of the budget was spent. O'Donnell stated that with the second film, Beyond Skyline, all creatives involved were intent 
Title: Skyline (2010 film)
Content: Eric Balfour as Jarrod ; Scottie Thompson as Elaine ; Brittany Daniel as Candice ; Crystal Reed as Denise ; Neil Hopkins as Ray ; David Zayas as Oliver ; Donald Faison as Terry ; Robin Gammell as Walt ; Tanya Newbould as Jen ; J. Paul Boehmer as Colin 
Title: Skylines (TV series)
Content:  Skylines is a German streaming television drama series created by Dennis Schanz and starring Peri Baumeister, Murathan Muslu, Sahin Eryilmaz and Edin Hasanovic. The show stars Hasanovic as Jinn, a hip-hop producer in Frankfurt, Germany who signs to the record label Skyline Records only to find out later that it is a place where music and organized crime meet. The first season was released on September 27, 2019 on Netflix. Netflix canceled Skylines after only one season.
Title: Beyond Skyline
Content:  In November 2014, Variety announced that Iko Uwais would join the cast, alongside Frank Grillo, Bojana Novakovic, and Yayan Ruhian. Liam O’Donnell wrote the script for the film, also wrote the script for the first film, will now direct as well as produce with Greg and Colin Strause serving as producers also. The Strause Brothers were the directors of the first film, Skyline. Matthew Chausse will also produce. Uwais and Ruhian will also serve as fight choreographers on the film. The film's visual effects and production were done by Hydraulx.
Title: Skyline (2010 film)
Content:  The project began filming in Marina Del Rey in February 2010 through March 31. Most of the action was shot in the high-rise condo in which Greg Strause lives. The physical production cost only $500,000. With all the visual effects the total budget was around $10–20 million. On November 11, 2010, producer Brett Ratner said on the Opie and Anthony Show that the film cost $10 million to make. The Brothers Strause insisted that they would film a sequel with their own money and try to find a distributor to release it.
Title: Skyline (2010 film)
Content:  Skyline was released on Blu-ray and DVD on March 22, 2011.

Question: Who was the producer of Skyline?
Answer: Greg and Colin Strause.
Strause Brothers.