Star Trek: The Original Series
Born to a Jewish family in New York City, Justman was one of the pioneers behind "Star Trek", working both as an associate and supervising producer on ' and '. He was also the assistant director of the first two "Star Trek" episodes: "The Cage" and "Where No Man Has Gone Before." During "Star Trek: The Original Series", he served as Gene Roddenberry's right-hand man, who managed the show along with John D. F. Black, Herbert F. Solow, D.C. Fontana, and Gene L. Coon. Justman was reportedly the first to call Gene Roddenberry "The Great Bird of the Galaxy," drawn from a throwaway line from the episode "The Man Trap".