Peter Coyote

Narrator (voice)

Stanton Friedman

Self - Nuclear Physicist, UFO Researcher

Dr. John E. Mack

Self - Psychiatrist, Harvard University (archive footage)

A.J. Gevaerd

Self - Editor, Brazilian UFO Magazine

James Fox

Self - Director/Filmmaker

Marco Aurélio Leal

Self - Brazilian Researcher

Cinthya Covo Leão

Self - Psychologist

Carlos de Sousa

Self

Marco Antonio Petit

Self - Brazilian Researcher

Marta Tavares