| Name | Character | Episodes |
|---|---|---|
| Lisa Hartman | Tabitha Stephens | 13 |
| Robert Urich | Paul Thurston | 13 |
| Mel Stewart | Marvin Decker | 13 |
| David Ankrum | Adam Stephens | 13 |
| Bernard Fox | 3 | |
| Robert Clarke | 2 | |
| Dick Wilson | 2 | |
| Peter Palmer | 2 | |
| Jeannie Wilson | 1 | |
| John Fiedler | 1 | |
| Richard Libertini | 1 | |
| Fred Willard | 1 | |
| Fritz Feld | 1 | |
| Werner Klemperer | 1 | |
| Mary Wickes | 1 | |
| Tracy Reed | 1 | |
| Dack Rambo | 1 | |
| Lillian Lehman | 1 | |
| Louis Guss | 1 | |
| George Tobias | 1 | |
| Carmine Caridi | 1 | |
| Frank Delfino | 1 | |
| Dick Wesson | 1 | |
| Billie Hayes | 1 | |
| Jack DeLeon | 1 |