Special Guest Stars Michael Rennie as Vice Chancellor Pierre Alquist Diana Hyland as Ellie Markham Guest Stars Lee Farr as TBD William Windom as Michael Tressider Don Ross as Reporter Albert Carrier as Frenchman Co Starring John Mayo as Alien Eduard Franz as Premier Thor Halvorsen Lew Brown as Aide Morgan Jones as Guard Richard Eastham as Colonel Carl Vanders Troy Melton as Journalist No. 2 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
