name. After a second edit by Johnson, it was passed from Justman to story editor Black. While the former felt that the script still needed work, Black felt it was nearly ready. Following Black's review, Roddenberry re-wrote the script between June 16 and 21. Johnson felt this re-write had "downgrad[ed] the story." Black later said that Roddenberry removed a large part of Johnson's work, and that Johnson's original work was better than Roddenberry's edited version. Johnson was pleased with the final episode, although he was concerned that viewers might not understand Star Trek after watching "The Man Trap" owing to differences in characterization between this episode and the rest of the series. He admitted that he did not like Spock and was concerned that the character would not be understood after this episode. Roddenberry was pleased with Johnson's work, and offered him further writing work on "What Are Little Girls Made Of?", which had been written by Robert Bloch. Roddenberry only wanted Johnson to "polish" the script; Johnson, feeling he was unable to improve it without starting from scratch, turned down the offer, but expressed the desire to work on the show again. He later wrote a story outline titled "Rock-A-Bye Baby, or Die!" in which the Enterprise would have become a childlike sentient being who idolizes Kirk as its father. This was not commissioned, so "The Man Trap" was Johnson's only work on the franchise. Guest appearances Jeanne Bal was cast as Nancy Crater, McCoy's former love interest; the actress had previously guest-starred in Perry Mason and was one of the main performers in the sitcom Love and Marriage. Alfred Ryder was well known for his numerous appearances in similar genre series such as The Wild Wild West and The Outer Limits. After his appearance as Robert Crater in "The Man Trap", he appeared in the science fiction series The Invaders. Actors playing two of the crewmen who died on screen later appeared in other episodes of Star Trek. Michael Zaslow, seen in "The Man Trap" as Darnell, appeared in "I, Mudd", and later had a long-running role in the soap opera Guiding Light as Roger Thorpe. John Arndt appeared in four further episodes of the original series. Direction and filming All previous episodes of Star Trek had overrun their filming schedules, and the producers were concerned that not enough time had been allotted to each production. Marc Daniels