A documentary film or documentary is a non-fictional motion picture intended to "document reality, primarily for instruction, education or maintaining a historical record". Bill Nichols has characterized the documentary in terms of "a filmmaking practice, a cinematic tradition, and mode of audience reception [that remains] a practice without clear boundaries".

In the Land of the Head Hunters is a 1914 silent film fictionalizing the world of the Kwakwaka'wakw peoples of the Queen Charlotte Strait region of the Central Coast of British Columbia, Canada, written and directed by Edward S. Curtis and acted entirely by Kwakwaka'wakw native people.