Countdown

Castle and Beckett must work together with Agent Fallon to prevent a momentous tragic event that could affect the entire city.

Season 3 | Episode 17
Cast

Molly Quinn

as Alexis Castle

Nathan Fillion

as Richard Castle

Jon Huertas

as Javier Esposito

Seamus Dever

as Det. Kevin Ryan

Stana Katic

as Kate Beckett

Susan Sullivan

as Martha Rodgers

Tamala Jones

as Lanie Parish