| Person: | Characters | Episodes | |
| • Helen Greenberg (1) | played | 17 Episodes | |
| • Susan Chuang | played | 17 Episodes | |
| • Lillian Hurst | played | 17 Episodes | |
| • Yeardley Smith | played | 15 Episodes | |
| • Don Cummings | played | 8 Episodes | |
| • Kathryn Joosten | played | 7 Episodes | |
| • Shirley Prestia | played | 5 Episodes | |
| • Nick Toth | played | 5 Episodes | |
| • J. D. Walsh | played | 5 Episodes | |
| • Kevin Sorbo | played | 4 Episodes | |
| • Anne Elizabeth Ramsay | played | 4 Episodes | |
| • Floyd "Red Crow" Westerman | played | 4 Episodes | |
| • Billy West | played | 3 Episodes | |
| • Nancy Lenehan | played | 3 Episodes | |
| • Terry Rhoads | played | 3 Episodes | |
| • Christopher Michael | played | 3 Episodes | |
| • Dick Clark | played | 3 Episodes | |
| • Stuart Pankin | played | 3 Episodes | |
| • Daniel R. Escobar | played | 3 Episodes | |
| • Eliza Coyle | played | 3 Episodes | |
| • Lucille Soong | played | 3 Episodes | |
| • Travis Wester | played | 3 Episodes | |
| • Robin Strasser | played | 2 Episodes | |
| • Sharon Madden | played | 2 Episodes | |
| • Brigid Brannagh | played | 2 Episodes | |
| • Bodhi Elfman | played | 2 Episodes | |
| • Joel McCrary | played | 2 Episodes | |
| • Holmes Osborne | played | 2 Episodes | |
| • Bob Morrisey | played | 2 Episodes | |
| • James Avery | played | 2 Episodes | |
| • Scott Haven | played | 2 Episodes | |
| • Raymond Ma | played | 2 Episodes | |
| • Toshi Toda | played | 2 Episodes | |
| • Jennifer Darling | played | 2 Episodes | |
| • Kevin Cooney | played | 2 Episodes | |
| • Anne Haney | played | 2 Episodes | |
| • Brooks Almy | played | 2 Episodes | |
| • Gwen McGee | played | 2 Episodes | |
| • Marissa Jaret Winokur | played | 2 Episodes | |
| • Jonathan Slavin | played | 2 Episodes | |
| • Daphne Duplaix | played | 2 Episodes | |
| • Victor Raider-Wexler | played | 2 Episodes | |
| • T. J. Thyne | played | 2 Episodes | |
| • Diana C. Weng | played | 2 Episodes | |
| • Andy Milder | played | 2 Episodes | |
| • Jodi Lyn O'Keefe | played | 2 Episodes | |
| • Tony Ervolina | played | 2 Episodes | |
| • Kevin Nealon | played | 2 Episodes | |
| • Kenneth Alan Williams | played | 2 Episodes | |
| • Virginia Hamilton | played | 2 Episodes | |
| • Claudia Schiffer | played | 2 Episodes | |
| • K. D. Lang | played | 2 Episodes | |
| • John Mendoza (1) | played | 2 Episodes | |
| • Erik Stabenau | played | 2 Episodes | |
| • Alison England | played | 2 Episodes | |
| • Jack Eng | played | 2 Episodes | |
| • Nick Lelh | played | 2 Episodes | |
| • Keary Jenkins | played | 2 Episodes | |
| • Les Brandt | played | 2 Episodes |