greene, pernell whitaker, michael landon, dan blocker, and even guy williams ( as the cousin who was brought in for several episodes during 1964 to replace adam when he was leaving the series ). the cast had chemistry, and they seemed to genuinely like each other. that made many of their weakest stories work a lot better than they should have. it also made many of their best stories into great western drama. &lt; br / &gt; &lt; br / &gt; like any show that was shooting over thirty episodes every season, the