斯蒂文·格瑞尔

Steven M. Greer

饰：自己

Robert Hastings

饰：Himself

Nick Pope

饰：Himself

Larry Warren

饰：Himself

Milton Torres

饰：Himself

Edgar D. Mitchell

饰：自己

Terje Toftenes

Terje Toftenes

饰：Self - Narrator

Wendelle Stevens

Wendelle Stevens

饰：Self

Jim Marrs

饰：Self

Stanton Friedman

饰：Self

Paola Harris

饰：Self

Erling Strand

饰：Self

Barbara Lamb

饰：Self

Jaime Maussan

饰：Self

Bruce Maccabee

Bruce Maccabee

饰：Self,(as Dr. Bruce Maccabee)

David M. Jacobs

饰：Self (as Dr. David Jacobs)

Robert Salas

饰：Self,(as Captain Robert Salas)

Richard Dolan

Richard Dolan

饰：Self

Stephen Bassett

Stephen Bassett

饰：Self

Linda Moulton Howe

Linda Moulton Howe

饰：Self

Joel Garbon

饰：Self

Budd Hopkins

饰：Self

Roger Leir

饰：Self,(as Dr. Roger Leir)

Bjørn Gitle Hauge

饰：Self

Miriam Delicado

饰：Self

A.J. Gevaerd

饰：Self

Lloyd Pye

饰：Self