Voyage to the Prehistoric Planet

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)

Marc Shannon

Christopher Brand