| Name | Character | Episodes |
|---|---|---|
| Arthur Space | Herbert Brown | 58 |
| James McCallion | Mi Taylor | 58 |
| Lori Martin | Velvet Brown | 58 |
| Edgar Buchanan | 2 | |
| Parley Baer | 2 | |
| Joan Banks | 1 | |
| Bill Mumy | 1 | |
| Bob Steele | Clive | 1 |
| John Hart | 1 | |
| Denver Pyle | 1 | |
| Jack Elam | Black Barr | 1 |
| Parley Baer | Mr. Winters | 1 |
| Joan Freeman | Beth | 1 |
| Betty Lynn | 1 | |
| Adrienne Marden | Miss Beasley | 1 |
| Sheila James Kuehl | Judy | 1 |