Characters played by Basil Rathbone
Prof. Hartman - Lunar 7
Characters played by Faith Domergue
Dr. Marsha Evans - Vega
Characters played by Marc Shannon
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Characters played by Christopher Brand
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Characters played by John Bix
John the Robot
Characters played by Lewis Keane
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Characters played by Gennadi Vernov
Andre Ferneau - Sirius
Characters played by Georgi Zhzhyonov
Hans Walters - Sirius
Characters played by Yuriy Sarantsev
Allen Sherman - Vega
Characters played by Georgiy Teykh
Dr. Kern - Vega
Characters played by Vladimir Yemelyanov
Cmdr. Brendan Lockhart - Sirius