A Deadly Affair

Beckett and her team burst into an apartment on a murderer's trail, just to be surprised when they see Castle, who they haven't heard or seen in months, standing over a dead woman's body holding a gun. Beckett, has no other choice but to arrest Castle until he proves his innocence.

Season 3 | Episode 1

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