Detective Ethan Slaughter

Detective Ethan Slaughter

Adam Baldwin is seen here in the role of Detective Slaughter. Castle considers him as his partner on the episode "Headhunters."
Added:
Caskett at Work

Caskett at Work

Just get naked and get all over each other, you two! Come on now! The fans are ready for some Caskett action.
Added:
Headhunters Scene

Headhunters Scene

Castle tries to make a positive impression in this scene. On a new partner, that is, Detective Slaughter.
Added:
Adam Baldwin as Detective Slaughter

Adam Baldwin as Detective Slaughter

Castle tags along with a new partner on the episode "Headhunters." He's played by former Firefly co-star Adam Baldwin.
Added:
Tension Between Partners

Tension Between Partners

Beckett senses tension between her and Castle and for good reason: he isn't happy about being lied to.
Added:
Castle and Detective Slaughter

Castle and Detective Slaughter

Let's go to work! Castle teams up here with Detective Slaughter, played by old pal Adam Baldwin.
Added:
Adam Baldwin on Castle

Adam Baldwin on Castle

Remind us not to get on the bad side of Detective Slaughter. As you can see here, the guy means business.
Added:
Ready to Brawl

Ready to Brawl

Castle is in a fighting mood in this shot from "Headhunters." He's hanging out with Adam Baldwin's Detective Slaughter.
Added:

Castle Season 4 Episode 21 Quotes

Forget severed heads, I want to meet that guy!

Castle

Martha: Playing with dolls, are we?
Castle: They are action figures.