I've kind of learned this about Joss Whedon. Never say never. I've learned that. I also have another rule about Joss Whedon. Never say no. Just... whatever Joss Whedon wants to do, just do it.

I don't spend a lot of time online. My mother's really good at picking out if she sees a really great review, and she'll forward it to me. She's like my little Internet filter. It's always nice to see something going up; if I want to find something on Nathan Fillion, I do know where to look, but I've got a nice little delivery system in my mom.

Castle is a guy living in a fantasy world. He's in his imagination, writing these stories of murder.

When I go to a sci-fi convention, oh God, it's the closest thing to being a rock star I will ever know in this life. I want to be a rock star, don't you? It's a good thing to be, a rock star.

I'll tell you what I really enjoy. We all go to the movies, we all watch television, we know what they're about, how they work. When the main character is a cop or a spy, it's very exciting, but I also very much enjoy when the main characters are nobodies - a trucker.

I still buy actual books. The smell, having it in your hands - there's really no substitute.

What draws me to roles, I think, are moments - moments that define character, where so much more of the story is told in just a moment - a look, a line, a short scene, but something that speaks a volume, something that speaks to me.