A bachelor's life is interrupted by the appearance of a teenager who claims to be his son.
| Actor | Role |
|---|---|
 Bill BixbyJohnny Gaines | Johnny Gaines |
 Diane BakerEydie | Eydie |
 Jack AlbertsonAl Gaines | Al Gaines |
 Ann SothernEthel Gaines | Ethel Gaines |
 Karen JensenRhonda Lewis | Rhonda Lewis |
 Darrell LarsonB.J. | B.J. |
 Jeff DonnellRose | Rose |
 Tom BosleyHerb | Herb |
 Robert H. HarrisBen Beigelman | Ben Beigelman |
 Judy StrangisRiva | Riva |