![Molly](https://static.tvmaze.com/uploads/images/medium_portrait/69/173921.jpg)
![Molly](https://static.tvmaze.com/uploads/images/medium_portrait/69/173921.jpg)
![Mr. Grouper](https://static.tvmaze.com/uploads/images/medium_portrait/69/173926.jpg)
Chris Phillips
voices Mr. Grouper![Mr. Grouper](https://static.tvmaze.com/uploads/images/medium_portrait/69/173926.jpg)
Tino Insana
voices Mr. Grouper![Molly](https://static.tvmaze.com/uploads/images/medium_portrait/69/173921.jpg)
Bailey Gambertoglio
voices Molly![Gil](https://static.tvmaze.com/uploads/images/medium_portrait/69/173929.jpg)
Jay Gragnani
voices Gil![Goby](https://static.tvmaze.com/uploads/images/medium_portrait/69/173923.jpg)
Issac Ryan Brown
voices Goby![Deema](https://static.tvmaze.com/uploads/images/medium_portrait/69/173920.jpg)
Grace Kaufman
voices Deema![Oona](https://static.tvmaze.com/uploads/images/medium_portrait/69/173925.jpg)
Tori Feinstein
voices Oona![Nonny](https://static.tvmaze.com/uploads/images/medium_portrait/69/173919.jpg)
Jet Jurgensmeyer
voices Nonny![Kari Wahlgren](https://static.tvmaze.com/uploads/images/medium_portrait/448/1120203.jpg)
Kari Wahlgren
voices Additional Voices![Little Fish](https://static.tvmaze.com/uploads/images/medium_portrait/69/173928.jpg)