How many seasons of Castle are there?

Castle has 8 seasons totalling 0 episodes, and the series has concluded.

The main cast of Castle includes Nathan Fillion (Richard Castle), Jon Huertas (Detective Javier Esposito), Seamus Dever (Detective Kevin Ryan), Stana Katic (Detective Kate Beckett), Susan Sullivan (Martha Rodgers).

Castle (2009)

Name: Castle
Genre: Drama, Crime, Mystery
Released: 2009-03-09
Cast: Nathan Fillion, Jon Huertas, Seamus Dever, Stana Katic, Susan Sullivan

8 seasons · 0 episodes~40 min/epEndedDramaCrimeMystery

Overview

Castle follows Rick Castle who is one of the world's most successful crime authors. But when his rock star lifestyle isn't enough, this bad boy goes looking for new trouble and finds it working with smart, beautiful Detective Kate Beckett. Inspired by her professional record and intrigued by her buttoned-up personality, Castle's found the model for his bold new character whether she likes it or not. Now with the mayor's permission, Castle is helping solve crime with his own twist.

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Network: ABC