"Iron Sky" began production in early 2006, and an advance trailer was announced in the Cannes Film Festival market in May 2008, looking for funding. German producer Oliver Damian’s 27 Films got on the car and cooperated with Finland’s Blind Spot Pictures. The film was announced in February 2009. The German actress Julia Dietze, who has appeared in many literary and commercial films "One and a Half Knight", will play the leading role. Later, the veteran German movie star Udo Kier will be invited to join. In the 2010 Cannes Film Festival market, the film attracted investment from the Australian production company New Holland.
In addition to the production of multinational companies, "Iron Sky" is also the first batch of films successfully shot through the Internet to raise funds. On the Wreck-a-Movie website, the producer invites anyone who is interested in the film to participate in the investment, and at the same time, he can put forward his own opinions on the script and director of the film, and get a box office dividend after the movie is released. "Iron Sky" raised about 1 million euros in personal investment in this way. In addition, the film also received funding from the German government, especially the state government of Hessen.
