X-15 startklar Skuespillere og folkene bag
Charles BronsonLt. Col. Lee Brandon Mary Tyler MoorePamela Stewart Stanley LivingstonMike Brandon Ralph TaegerMaj. Ernest Wilde Brad DexterMaj. Anthony Rinaldi Kenneth TobeyCol. Craig Brewster Patricia OwensMargaret Brandon James StewartHimself / Narrator (voice) Lauren GilbertCol. Jessup Frank WatkinsSecurity Policeman Dick WilsonFlight Engineer James Warner BellahForfatter Tony LazzarinoManuskript / Producer Henry W. SanicolaProducer Howard W. KochExecutive producer Rolland M. BrooksArt Direction Stanley RabjohnFilmklipper 
