 David Wilcox , Josh Singer , and Graham Roland co @-@ wrote the episode , while Jeannot Szwarc directed it . Guest star Kevin Corrigan returned as the mysterious Sam Weiss . Actor John Noble and executive producer Jeff Pinkner have referred to " 6 : 02 AM EST " as the start of an " epic trilogy " , as it and the following two episodes would be " linked in one continuous story arc " . 
