MSN TV go behind the scenes of Castle with cast and crew members of the show for a fun video revealing details about the show and having a little fun along the way. They talk with Nathan Fillion (who takes off with the camera), Stana Katic, Seamus Dever and Jon Huertas. Videos also include a tour of Castle’s loft apartment with Production Manager Alfred Hole.

Nathan Fillion also talks about working with Joss Whedon and does an impression of Christopher Walken. Stana Katic says she’s the only one on set who doesn’t do a Walken impression.

You can watch the videos at the MSN website http://tv.msn.com