Before cracking cases with the LAPD as officer John Nolan on The Rookie, Nathan Fillion was already a crime-solving veteran. Castle, which ran for eight robust seasons on ABC from 2009 to 2016, was ...

When it comes to sheer charisma, few actors manage to exude it as well as Nathan Fillion. He's been a staple across film and television for the past few decades, playing a wide range of characters ...