Fan | [s6e4] Number One
(Billy Miller): A "hot-headed" Wall Street banker and one of the hostages who repeatedly tries to take matters into his own hands.
: The episode was written by Terence Paul Winter and directed by John Terlesky. [S6E4] Number One Fan
(Tom Amandes): A wealthy businessman who is revealed to be Emma's biological father. Production & Significance (Billy Miller): A "hot-headed" Wall Street banker and
( Nathan Fillion ): The writer-turned-investigator who must use his wits to keep the hostages safe and solve the case. [S6E4] Number One Fan