The story of Steven Hill, who played Dan Briggs on Mission: Impossible for one year, is interesting. As an Orthodox Jew, he refused to work on the Sabbath, which eventually led to his departure from the series. According to the book Inside Star Trek: The Real Story, William Shatner once burst into executive Herb Solow's office at Desilu saying Hill was trying to arrange a minyan (a quorum of ten Jews over 13 for public prayer, for those not in the know) and asking how many Jews worked on Star Trek. There were at least three, including Solow, Shatner, and Nimoy, but I don't think i