3XK

A dead woman leaves clues indicating that the Tripler Killer aka 3XK is back after a four-year hiatus. Castle and Beckett play a deadly game of wits with the killer to prevent more killings.

Season 3 | Episode 6
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