Guest Stars Kent Smith as Edgar Scoville Linwood McCarthy as Col. Archie Harmon Ross Elliott as Prof. Eliot Kramer Ed Prentiss as Stanley Leeds Charles J. Stewart as Robertson John Milford as Jim Bryce Walter Baldwin as Walter Donald Davis as Lucien Ahna Capri as Joan Surrat Co Starring Don Chastain as Blake Ken Lynch as Lieutenant Conners Pamela Curran as Louise 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
