| Name | Character | Episodes |
|---|---|---|
| David Ketchum | Senior Counselor Spiffy | 26 |
| Alice Nunn | Mahala May Gruenecker | 26 |
| Frank De Vol | Doc Joslyn | 26 |
| Leonard Stone | Doc Joslyn | 26 |
| Hermione Baddeley | Eulalia Divine | 26 |
| George Dunn | The Sheriff | 26 |
| Arch Johnson | Commander Wivenhoe | 26 |
| Dave Madden | Pruett | 26 |
| Nina Wayne | Caprice Yeudleman | 26 |
| Mike Wagner | Malden | 26 |
| Maureen McCormick | 1 | |
| Ned Glass | 1 | |
| Virginia Gregg | 1 | |
| Beverly Adams | 1 | |
| Whit Bissell | 1 | |
| Willard Waterman | 1 | |
| Peter Leeds | 1 | |
| Forrest Lewis | 1 |