Headhunters

His relationship with Beckett strained, Castle teams up with Detective Ethan Slaughter from the city's gang unit. But Slaughter's kind of police work could put Castle in real danger.

Season 4 | Episode 21
TV-14-DLV
PRESENTED BY
Cast

Molly Quinn

Alexis Castle

Nathan Fillion

Richard Castle

Jon Huertas

Javier Esposito

Seamus Dever

Det. Kevin Ryan

Stana Katic

Kate Beckett

Susan Sullivan

Martha Rodgers

Tamala Jones

Lanie Parish