Guest Stars Kent Smith as Edgar Scoville Linwood McCarthy as Col. Archie Harmon John Milford as Jim Bryce Ross Elliott as Prof. Eliot Kramer Walter Baldwin as Walter Ed Prentiss as Stanley Leeds Ahna Capri as Joan Surrat Charles J. Stewart as Robertson Donald Davis as Lucien 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
