Mimi, an unsophisticated American girl attending an exclusive Swiss boarding school, unexpectedly inherits a large fortune. Returning to the United States she quickly begins to live a wild and reckless life. Good-natured Joe attempts to set her straight, but she keeps right on living riotously. It takes Mimi a serious accident while joyriding to comes to her senses and realize she is ready for a more settled existence.
| Actor | Role |
|---|---|
 Lois MoranMarie Colman "Mimi" | Marie Colman "Mimi" |
 Nick StuartJoe | Joe |
 Rex BellEddie | Eddie |
 Sally PhippsMabel | Mabel |
 Maria AlbaAgnes | Agnes |
 John BreedenTom | Tom |
 José CrespoJuan | Juan |
 Florence AllenBecky | Becky |
| JJames BarnesHarry | Harry |
| PPaul d'Estournelles de ConstantTeacher | Teacher |
| AAllen DaleDizzy | Dizzy |
 Charles EatonStudent | Student |
| MMarco ElterSkiing Mailman | Skiing Mailman |
 Ada InceBeverly | Beverly |
 Marshall RuthDick | Dick |
 Lupita TovarNot listed | Not listed |
| MMabel VailDean of Girls' School | Dean of Girls' School |
 Dorothy WardDot | Dot |
| CCarol WinesMaid | Maid |