Star Trek: The Animated Series were added to the cast—claiming that Sulu and Uhura were of importance as they were proof of the ethnic diversity of the 23rd century and should not be recast. Nimoy also took this stand as a matter of principle, as he knew of the financial troubles many of his "Star Trek" co-stars were facing after cancellation of the series. Koenig was not forgotten, and later wrote an episode for the series, becoming the first "Star Trek" actor to write a "Star Trek" story. Koenig wrote "The Infinite Vulcan", which had plot elements from the original "Star Trek" episode "Space Seed"
The Cage (Star Trek: The Original Series) June 1, 1965, Hunter formally gave his letter requesting separation from the project. He died on May 27, 1969, one week before the original series ended its run. Roddenberry later suggested that he was the one who—unhappy with interference by Hunter's then-wife Dusty Bartlett—had decided not to rehire Hunter. However, executive producer Herbert F. Solow, who was present when Bartlett, acting as manager, refused the role on behalf of her husband, later said in his memoir, "Inside Star Trek", that it was the other way around. "The Cage" was filmed at Desilu Productions' studio (now known as Culver Studios) in