Nathan Fillion

ABC Cancels 'Castle,' 'Nashville,' 'Agent Carter,' Three More

See 'Castle' Series Finale Photos With Stana Katic and Nathan Fillion

Here's Who Nathan Fillion Is Playing in 'Guardians of the Galaxy 2'

Molly Quinn Is 'Heartbroken' at Stana Katic Exit, But 'Nathan Fillion IS Castle'

Nathan Fillion Responds to Stana Katic Leaving 'Castle': 'She Will Be Missed'

Best of Late Night TV: Selena Gomez's Dubsmash, Nathan Fillion's Prank, Vin Diesel's Sweet Texts

'Firefly' Stars Nathan Fillion and Alan Tudyk Reunite For Crowdfunded Series