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)