Special Guest Stars Diana Hyland as Ellie Markham Michael Rennie as Vice Chancellor Pierre Alquist 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 Richard Eastham as Colonel Carl Vanders Lew Brown as Aide Troy Melton as Journalist No. 2 Morgan Jones as Guard Jay Lanin as Alquist's Aide Hank Simms as Journalist No. 1 Uncredited William Woodson voices Narrator Dan Frazer as Reporter Ted Knight as Alien Narrator
