| Person: | Characters | Episodes | |
| • Tom Verica | played | 11 Episodes | |
| • Conrad Ricamora | played | 9 Episodes | |
| • Megan West | played | 6 Episodes | |
| • Arjun Gupta | played | 5 Episodes | |
| • Lenny Platt | played | 5 Episodes | |
| • Alysia Reiner | played | 4 Episodes | |
| • Lynn Whitfield | played | 3 Episodes | |
| • Marcia Gay Harden | played | 3 Episodes | |
| • April Parker-Jones | played | 3 Episodes | |
| • Joy Benedict | played | 3 Episodes | |
| • Jack Mikesell | played | 3 Episodes | |
| • Tamlyn Tomita | played | 2 Episodes | |
| • John Eric Montana | played | 2 Episodes | |
| • Mallory Low | played | 2 Episodes | |
| • Elliot Knight | played | 2 Episodes | |
| • Ellen Haun | played | 2 Episodes | |
| • Aaron Benjamin Miller | played | 2 Episodes |