The Ties that Update: 2!

GUNNAR SIZEMORE: WILL HE DO A GOOD JOB? 

ONCE ZACK, NOW GUNNAR!

On AIO update (one of my favorite fan websites), they had a clip of Gunnar's voice, and he sounded almost exactly like Zack, so I think that it might be the best AIO actor change of all-time!

Points to consider in an actor change:

1. Similar voice.
2. Plays the character in the same way as the previous actor did.
3. Understands the character completely.
4. Is a good actor!