 " The Rain King " is the eighth episode of the sixth season of the American science fiction television series The X @-@ Files . It premiered on the Fox network on January 10 , 1999 . " The Rain King " was written by Jeffrey Bell and directed by Kim Manners . The episode is a " Monster @-@ of @-@ the @-@ Week " episode .
Gillian Anderson as Dana Scully
William B. Davis as the Cigarettetete
Kim Manners as "Rain King"
Anthony Michael Hall as "Rain King"
Kim Manners as "Rain King" (1