My Ranking of All 13 Actors that Were Considered for the Role of Doctor Nefario Ranked from Least Likely to Most Likely to Voice Him.

 My Ranking of All 13 Actors that Were Considered for the Role of Doctor Nefario Ranked from Least Likely to Most Likely to Voice Him.

13. Bill Murray

12. Rob Paulsen

11. Ray Romano

10. Brandon Fraser

9. Tom Kenny

8. Justin Long

7.  Albert Brooks

6. Rob Paulsen

5. Danny DeVito

4. Steve Martin

3. Jason Lee

2. Robin Williams

1. Lawrence Fishburne