Christian Frei is a Swiss filmmaker and film producer. He is mostly known for his films War Photographer (2001), The Giant Buddhas (2005) and Space Tourists (2009).

War Photographer is a documentary by Christian Frei about the photographer James Nachtwey. As well as telling the story of an iconic man in the field of war photography, the film addresses the broader scope of ideas common to all those involved in war journalism, as well as the issues that they cover.