[s4e8] Heartbreak Hotel Online

Castle's home address is listed as in casino records, a reference to Green Lantern co-creator John Broome (Fillion has voiced Hal Jordan in animated films).

: Directed by Kate Woods and written by Christine Boylan. Key Plot Points [S4E8] Heartbreak Hotel

: The victim, Sam Siegel (a nod to real-life mobster "Bugsy" Siegel), was being blackmailed after $10 million was stolen from his casino. Castle's home address is listed as in casino