Headhunters

Overview

With tensions rising between Castle and Beckett, Castle finds himself a new partner -- Detective Ethan Slaughter (guest star Adam Baldwin, "Firefly"), 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

Guest Stars

Adam Baldwin

Ethan Slaughter

Michael McGrady

Brian Reilly

Reynaldo Gallegos

Cesar Vales

Anna Zielinski

Laura Wilson

Clifford McGhee

Maxi

Mario Ardila, Jr.

Gilberto Mendoza

Miles Tagtmeyer

Glitch

Michael Dorn

Carter Burke