Cast Principale
Robert Foxworth
Questor
Mike Farrell
Jerry Robinson
John Vernon
Geoffrey Darro
Lew Ayres
Vaslovik
James Shigeta
Dr. Chen
Robert Douglas
Dr. Michaels
Dana Wynter
Lady Helena Trimble
Ellen Weston
Allison Sample
Majel Barrett
Dr. Bradley
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Reuben Singer
Dr. Gorlov
Walter Koenig
Administrative Assistant
Fred Sadoff
Dr. Audret
