| Name | Character | Episodes |
|---|---|---|
| Corey Sevier | Timmy Cabot | 51 |
| Vanessa Lengies | Charity | 51 |
| Susan Almgren | Dr. Karen Cabot | 51 |
| Leni Parker | Lucy | 51 |
| Tod Fennell | Jeff Mackenzie | 51 |
| Michael Yarmush | Clark | 51 |
| Brigid Tierney | Billie | 51 |
| Christopher Heyerdahl | Alfred Kraus | 1 |
| Jane Wheeler | Female Tourist | 1 |