| Name | Character | Episodes |
|---|---|---|
| Larry Hagman | Richard Evans | 13 |
| Nita Talbot | Judy Evans | 13 |
| Diane Baker | Susan Standish-Evans | 13 |
| Kim Richards | Jan Standish | 13 |
| Richard Gautier | Jerry Standish | 13 |
| Leslie Graves | Cindy Standish | 13 |
| Yuki Shimoda | Sam | 2 |
| Veronica Cartwright | Nancy | 1 |
| Jack Bender | Bill | 1 |
| Kenneth Mars | Jim Sutton | 1 |
| Jeff Donnell | Aunt Patti | 1 |
| Liam Dunn | Rev. Mr. Nicholson | 1 |
| Jenifer Shaw | Cathy (as Jennifer Shaw) | 1 |
| Sue Ane Langdon | Florence | 1 |
| Alice Ghostley | Mrs. Nicholson | 1 |
| Ronnie Schell | Caldwell | 1 |
| Milt Kamen | Larry Jackson | 1 |
| Lori Saunders | Laurie | 1 |
| Susan Damante | Maria | 1 |
| Michael Tolan | Glen | 1 |
| Richard Schaal | Chuck | 1 |
| Emily Yancy | Mrs. Pendergast | 1 |
| Burke Byrnes | Bill Norton | 1 |
| Susanne Zenor | Sheryl | 1 |
| Lew Horn | Harris | 1 |
| Brenda Dickson | Donna | 1 |
| Allison McKay | 1 | |
| Sam Denoff | Mailman | 1 |
| Chick Hearn | Announcer | 1 |
| Hilarie Thompson | Linda Jackson (as Hilary Thompson) | 1 |