Linda Davis James Congdon as Dr. Tony Nelson Robert Strauss as Roy Parker Edgar Stehli as Dr. Theodore W. Carson Patty Duke as Marjorie Sutherland Guy Raymond as Fred Chic James as B-girl Elbert Smith as Capt. Rogers George Karas as Sgt. Todaman (como George Kara) Jasper Deeter as Dr. Welles Dean Newman as Dr. Brian Schwartz John Benson as reporter Production and release Jack H. Harris was able to begin production of the film with the money he had received from The Blob (1958) which was also directed by Yeaworth. It was the film debut of Lee Meriwether and Robert Lansing. Young Patty Duke also makes a small cameo appearance in the film. Reception On Rotten Tomatoes, the film has an approval rating of 80%, based on 5 reviews, with a 5.5/10 average. See also Fourth dimension in literature "The Borderland" The Human Vapor References Bibliography Warren, Bill. Keep Watching the Skies: American Science Fiction Films of the Fifties, 21st Century Edition (revised and expanded). Jefferson, North Carolina: McFarland & Company, 2009. . External links 1959 films 1959 horror films American independent films American science fiction horror films Films about technology Mad scientist films 1950s science fiction horror films 1950s English-language films Universal Pictures films 1959 independent films Films directed by Irvin Yeaworth 1950s American films