Special Guest Stars Michael Rennie as Vice Chancellor Pierre Alquist Diana Hyland as Ellie Markham Guest Stars William Windom as Michael Tressider Lee Farr as TBD Don Ross as Reporter Albert Carrier as Frenchman Co Starring John Mayo as Alien Eduard Franz as Premier Thor Halvorsen Jay Lanin as Alquist's Aide Lew Brown as Aide Richard Eastham as Colonel Carl Vanders Troy Melton as Journalist No. 2 Morgan Jones as Guard Hank Simms as Journalist No. 1 Uncredited William Woodson voices Narrator Dan Frazer as Reporter Ted Knight as Alien Narrator
