Calificación
Reparto
Basil Rathbone
Prof. Hartman, Lunar 7
Faith Domergue
Dr. Marsha Evans, Vega
John Bix
John the Robot
Gennadi Vernov
Andre Ferneau, Sirius (archive footage)
Георгий Жжёнов
Hans Walter, Sirius (archive footage)
Георгий Тейх
Dr Kern, Vega (archive footage) (uncredited)
Владимир Емельянов
Cmdr. Brendan Lockhart, Sirius (archive footage) (uncredited)
Юрий Саранцев
Allen Sherman, Vega (archive footage) (uncredited)
