Shada appeared as Thin Boy in Charlie's Angels: Full Throttle (2003), and as Nick Davis in the 2005 television movies Jane Doe: Vanishing Act, Jane Doe: Now You Seed It, Now You Don't, Jane Doe: Till Death Do Us Part, and Jane Doe: The Wrong Face. He has appeared in two episodes of Lost, and he voiced Slightly in Tinker Bell and Comet in Space Chimps.
- Shada has also starred as Dean's best friend, Joey, in the Disney series Wizards of Waverly Place.
- His brothers are actors Josh Shada and Jeremy Shada (voice of Finn). He is a member of the band JACZ with brother Josh Shada.
- Zack indicated his interest in voicing the character Marshall Lee for the next gender-bent episode, but the Voice Director and Pendleton Ward had already chosen Donald Glover for the role. Notwithstanding, the creators have mentioned that they would like to bring the elder Shada back to the show for a future episode.