Nathan Fillion is a Geek God (for his roles in Firefly, Serenity, Buffy, The Vampire Slayer, Dr. Horrible’s Sing-A-Long Blog) and now he’s play a Greek God. Fillion has been cast as Hermes in Percy Jackson: Sea of Monsters the sequel to Percy Jackson and The Olympians: The Lightning Thief according to The Hollywood Reporter.
The sequel is based on the second book in Rick Riordan’s young adult adventure series starring Percy, demigod son of Poseidon. Logan Lerman returns as Percy. The sequel is scheduled to open March, 2013. Fillion plays Richard Castle on the ABC hit series Castle airing Mondays at 10pm.