Nathan Fillion played four to date! The star of Firefly, Castle, and The Rookie played an alien inmate at the Kyln, a high-security space prison, in Guardians of the Galaxy (2014).

In a post from earlier, The Rookie star Melissa O'Neil wanted to know if you could do her a favor and watch her Nathan Fillion for a second.

Fillion's positivity doesn't go unnoticed at home or on set--his co-star Titus Makin chatted with On The Red Carpet about how great the actor and executive producer is to work with.

Fillion vaguely remembers when he became the Green Lantern guy. He was on a hit show, Firefly, which got him through the door at DC animation, first voicing various characters in the Justice League ...

Nathan Fillion is ready to take The Rookie abroad! Hot off the heels of season 7's conclusion in May 2025, the 54-year-old actor was joined by executive producer Alexi Hawley at San Diego Comic ...

Nathan Fillion has just added another string to his belt! The Castle alum shared a momentous update with his fans on June 4 when he revealed he's had a name change. Nathan took to Instagram with ...

Why Nathan Fillion is perfect Guy Gardner Green Lantern in James Gunn's New DCU with Superman (2025). Let me know what you ...