Guest Stars Michael Rennie as Vice Chancellor Pierre Alquist William Windom as Michael Tressider Diana Hyland as Ellie Markham Eduard Franz as Premier Thor Halvorsen Co Starring Martin West as Lieutenant Ross Elliott as Hotel Detective Don Lamond as Newsman William Boyett as Tressider's Man Ford Rainey as General Jonathan Blaine Ian Wolfe as Secretary Knute Rosmundson Vic Perrin as Hypnotist Alien Ben Wright as Emissary Peter Hobbs as Colonel David Armstrong as Man #2 Victoria Hale as Hippie Uncredited William Woodson voices Narrator George DeNormand as Alien Ralph Brooks as Tourist
