From Spike to Brainiac to Piccolo

According to Variety, the two lead characters of the upcoming DBZ film have been cast, suprising, James Marsters as Piccolo?

20th Century Fox has set Justin Chatwin (The Invisible, War of the Worlds)
to play Goku and James Marsters (“Smallville,” “Angel,” “Buffy the Vampire Slayer“) as the villain Piccolo in Dragon Ball Z.

With shooting scheduled to begin later this month, Fox will bow the
sci-fi/adventure worldwide Aug. 15.