Name	Known for
George Adamski Self (archive footage) Self (archive footage) See fewer	The Tonight Show (1953)
Harold Brown Self (archive footage) Self (archive footage) See fewer	The American Ruling Class (2005)
Walter Cronkite Self - Reporter Self - Reporter See fewer	Liberty's Kids (2002)
Charles Gibbs-Smith Self (as Charles Harvard Gibbs-Smith) Self (as Charles Harvard Gibbs-Smith) See fewer	Animal, Vegetable, Mineral? (1952)
J. Allen Hynek Self Self See fewer	Close Encounters of the Third Kind (1977)
Frank Kearns Self - Reporter Self - Reporter See fewer	CBS Reports (1959)
Donald E. Keyhoe Self Self See fewer	Earth vs. the Flying Saucers (1956)
Willy Ley Self Self See fewer	Conquest of Space (1955)
Donald Menzel Self (as Donald H. Menzel) Self (as Donald H. Menzel) See fewer	Our Mr. Sun (1956)
Thornton Page Self Self See fewer	CBS Reports (1959)
Carl Sagan Self Self See fewer	Contact (1997)
Athelstan Spilhaus Self (as Athelston Spilhaus) Self (as Athelston Spilhaus) See fewer	The Twentieth Century (1957)
Bill Stout Self - Reporter Self - Reporter See fewer	The Ugly American (1963)
Lawrence Tacker Self Self See fewer	CBS Reports (1959)
George Van Tassel Self Self See fewer	Into the Zone: The Story of the Cacophony Society (2012)