Richard Egan (David Sheppard)
Constance Dowling (Joanna Merritt)
Herbert Marshall (Dr. Van Ness)
John Wengraf (Dr. Zeitman)
A security agent investigates sabotage and murder at a secret underground laboratory, home of two experimental robots.
Reg. N4071K McCulloch Motors Corp. MC-4C (given to be built in 1957 !).
Scientific error : according the screenplay, this unmanned aircraft is undetected by radar due to fiberglass skin ... and so overflying and beaming the research center.
Lockheed F-94C-1-LO Starfire serial 50-956 c/n 880-8001 assigned to NACA Ames Aeronautical Laboratory until November 1958.
North American F-86F Sabre with 435th Fighter-Bomber Squadron emblem probably shot at their home base of George Air Force Base, California. As there is no F-100 visible, the filming was in 1953 or at the very beginning of 1954.
Several airframe identified :
North American F-86F-30-NA Sabre s/n 52-4950
North American F-86F-25-NH Sabre s/n 51-13223 & 51-13225
North American F-86F-25-NH Sabre s/n 51-13384 (was later transferred to Republic of China AF, then to South Korean AF) :
Buzz number FU-947 is another North American F-86F-30-NA :
North American F-86F-25-NH Sabre s/n 51-13260 (transferred to South Korean AF in 1955/56) and s/n 51-13384 (later transferred to Republic of China AF, then to South Korean AF) with Sabre F-86F-30-NA buzz number FU-947 s/n 52-4947 already taxiing :