List of voice actors.

Main Characters

Supporting Characters

Other and One Time Characters

Other voice actors

  • Billy West originally voiced Zim.
  • Mark Hamill auditioned to play Zim, but was rejected.
  • Hope Levy originally voiced Melvin.
  • Brian George and Jim Wise were the replacement voices of the Abductors in Abducted and were credited as such, however the original tracks with Paul Greenberg and Eric Trueheart were used by mistake.