In "Elf" and "Zathura" he showed he could integrate special effects and carry the story, but like Downey, he's almost always looking for a comic spin.

CNN: Review: 'Iron Man' packs a terrific punch

Written by John Kamps ("Zathura") and David Koepp ("Indiana Jones and the Kingdom of the Crystal Skull") and directed by Koepp, "Ghost Town" is a light comedy about a misanthropic dentist, Bertram Pincus, who develops an unwelcome sixth sense after losing his vital signs for several minutes during a routine colonoscopy.

CNN: Review: Gervais gives edge to 'Ghost Town'