Fair rating?Headhunters
With tensions rising between Castle and Beckett, Castle finds himself a new partner -- Detective Ethan Slaughter, a tough and colorful cop from the city's gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before.
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#13In Season 4of 23 rated episodes
#68All-timeof 173 rated episodes
−0.1vs season avgSeason 4 averages 8.0
2012First airedApril 16, 2012
Guest stars
Michael Dornas Dr. Carter Burke
Jan M. Janssenas Officer Jenkins
Adam Baldwinas Detective Ethan Slaughter
Michael McGradyas Brian Reilly
Rey Gallegosas Cesar Vales
Anna Zielinskias Laura Wilson
Ramona DuBarryas Reporter
Clifford McGheeas Maxi
Mario Ardila Jr.as Gilbert MendozaCarter Mitchellas Homeless Man
Stefan Niemczykas Shea
Christopher Michael Riveraas Detective Marc Gibson
Crew
John TerleskyDirector
Alexi HawleyWriterShows like Castle
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