Zachary David "Zack" Shada (born November 25, 1992) is an American teen actor.

He appeared as Thin Boy (young Thin Man) in Charlie's Angels: Full Throttle (2003). He next appeared as Nick Davis in the 2005-2007 TV movie series including Jane Doe: Vanishing Act; Jane Doe: Now You See It, Now You Don't; Jane Doe: Till Death Do Us Part; Jane Doe: The Wrong Face; Jane Doe: Yes I Remember It Well; Jane Doe: The Harder They Fall; He has appeared in two episodes of Lost, and voiced the role of Slightly in Tinker Bell, and Comet in Space Chimps.