As her 25th anniversary approaches, Norma Michaels realizes that her marriage to her dentist husband Malcolm has become boring. Seeking independence, Norma turns to her friend Fay while Malcolm receives advice from his swinging associate Greg.
| Actor | Role |
|---|---|
 Lucille BallNorma Michaels | Norma Michaels |
 Art CarneyMalcolm Michaels | Malcolm Michaels |
 Nanette FabrayFay | Fay |
 Peter MarshallGreg Carter | Greg Carter |
 Don PorterEd Murphy | Ed Murphy |
 Rhodes ReasonDoug | Doug |
| DDoria Cook-NelsonLinda | Linda |
 Arnold SchwarzeneggerRico | Rico |
 Louisa MoritzTerry | Terry |
 Florence LakeMrs. Foster | Mrs. Foster |
| EElaine PeppardeCindy | Cindy |
| CConnie GarrisonChoo Choo | Choo Choo |
 Patricia BlairMiss Warren | Miss Warren |
| LLinda Todd MichaelsMitzi | Mitzi |
 Sid GouldWaiter | Waiter |