Guest Stars Kent Smith as Edgar Scoville Linwood McCarthy as Col. Archie Harmon Ross Elliott as Prof. Eliot Kramer Walter Baldwin as Walter Charles J. Stewart as Robertson John Milford as Jim Bryce Ed Prentiss as Stanley Leeds Donald Davis as Lucien Ahna Capri as Joan Surrat Co Starring Don Chastain as Blake Pamela Curran as Louise Ken Lynch as Lieutenant Conners Warren Vanders as Earl Uncredited William Woodson voices Narrator Craig Chudy as Alien Sid Troy as Police Officer Rudy Germane as Reporter Orwin C. Harvey as Alien Fighting with Kramer
