| Person: | Characters | Episodes | |
| • F. Murray Abraham | voiced | 19 Episodes | |
| • Paul Christie | voiced | 6 Episodes | |
| • Jay O. Sanders | voiced | 4 Episodes | |
| • Michael Gross | voiced | 2 Episodes | |
| • Jason O'Mara | voiced | 2 Episodes | |
| • Tim Matheson | voiced | 2 Episodes | |
| • Christopher Plummer | voiced | 2 Episodes | |
| • Peter Coyote | voiced | 2 Episodes | |
| • Allison Argo | voiced | 2 Episodes | |
| • Lynn Sherr | voiced | 2 Episodes | |
| • Craig Sechler | voiced | 2 Episodes |