| Name | Character | Episodes |
|---|---|---|
| Jason Mantzoukas | Kyle | 20 |
| Tom Everett Scott | Mike | 20 |
| Andrea Savage | Andrea | 20 |
| Kathy Baker | Sharon | 20 |
| Adam Scott | Dr. Steve Goldberg | 1 |
| Robert Curtis Brown | Travis | 1 |
| Judy Kain | Linda | 1 |
| Eugene Cordero | Brandon | 1 |
| Christopher Carroll | Dan | 1 |
| Judith McConnell | Becky | 1 |
| Alexandre Chen | Waiter | 1 |
| David Nathan Schwartz | Dr. Fuller | 1 |