When Aliens Attack

1h 30m

Science Fiction Fantasy Documentary

5.8

What if an extra-terrestrial force attacked Earth? What might that look like and how will the people of Earth respond? Consulting a cast of world-renowned scientists, survival experts and defense experts, National Geographic explores this frightening scenario. Experts reveal what could motivate alien invaders to attack Earth, and speculate on how the attack might play out, the strategy alien invaders might use, and the most effective ways for humans to respond.

Cast

Narrator (voice)

Self - SETI Institute

Self - U.K. Ministry of Defense

Self - Director of Defense Studies, West Point

Stephen Hawking

Self - Theoretical Physicist (archive footage)

Self - USAF Air Command and Staff College

Self - Physicist & Author

Self - Co-Author, Alien Invasion: How to Defend Earth

Michael Michaud

Self - Author, Contact with Alien Civilizations

Self - Author, Live Free or Die

Self - Author: Adventures Among Ants

Dirk Schulze-Makuch

Self - Washington State University

Self - Author, Emergency

Self - onPoint Tactical

Self - Gunnery Sergeant, USMC

Self - High Altitude Research Corp.

Laboratory Scientist

Leandro DiMonriva

News Correspondent

Christopher Clay Jones

Resistance Leader

Survival Expert

Eric Raymond Lim

Resistance Fighter

Tiffany Martinez

David Schlachtenhaufen

Resistance Fighter

Christopher Warren

Agent Patterson

Human Resistance Leader

Crew

Louis C. Tarantino

Savas Georgalis