Richard A. Colla Director Robert Foxworth Questor Actor Mike Farrell Jerry Robinson Actor John Vernon Geoffrey Darro Actor Lew Ayres Vaslovik Actor James Shigeta Dr. Chen Actor Robert Douglas Dr. Michaels Actor Dana Wynter Lady Helena Trimble Actor Ellen Weston Allison Sample Actor Majel Roddenberry Dr. Bradley Actor Reuben Singer Dr. Gorlov Actor Walter Koenig Administrative Assistant Actor Fred Sadoff Dr. Audret Actor Alan Caillou Immigration Offical Actor Howie Hurwitz Producer