James Cameron’s (Terminator, Aliens) groundbreaking 3-D sci-fi epic Avatar is set to arrive in theaters and IMAX screens on Dec. 18. The film stars Sam Worthington (Clash of the Titans, Terminator: Salvation) as crippled Marine hero Jake Sully, Zoey Saldana (Star Trek) as sexy blue alien babe Neytiri, and Stephan Lang (Project X) as tough-as-nails Col. Miles Quaritch.

(UPDATE: Lang is up for bad guy role in Conan the Barbarian. Click here for info)

Lang gives us the skinny on his role in the following interview clip: