4. Bölüm

Diana Walsh Pasulka

Self - Professor of Religious History, UNC Wilmington

Brandon Harris

Self - Contributor, The New Yorker

George Knapp

Self - Investigative Journalist

Harry Reid

Self - Former Senate Majority Leader

Gary Voorhis

Self - Radar Operator, USS Princeton

Ralph Blumenthal

Self - Investigative Journalist

Kate Dorsch

Self - Science & Technology Historian, UPenn

Richard Doty

Self - Former Air Force Intelligence Officer

Luis Elizondo

Self (archive footage)

Harold E. Puthoff

Self (archive footage)

Chris Mellon

Self (archive footage)

Robert Bigelow

Self (archive footage)

John E. Mack

Self - Professor of Psychiatry, Harvard (archive footage)

Peter Faust

Self (archive footage) (uncredited)

Greg Eghigian

Self - Professor of History, Penn State University

Harry S. Truman

Self (archive footage)