Main Characters
![Admiral Harriman Nelson](https://static.tvmaze.com/uploads/images/medium_portrait/161/402705.jpg)
Admiral Harriman Nelson
110 main appearances![Captain Lee Crane](https://static.tvmaze.com/uploads/images/medium_portrait/161/402704.jpg)
Captain Lee Crane
110 main appearances![Chip Morton](https://static.tvmaze.com/uploads/images/medium_portrait/228/570965.jpg)
Chip Morton
63 main appearances![Kowalski](https://static.tvmaze.com/uploads/images/medium_portrait/228/570969.jpg)
Kowalski
57 main appearances![Chief Francis Ethelbert Sharkey](https://static.tvmaze.com/uploads/images/medium_portrait/228/570966.jpg)
Chief Francis Ethelbert Sharkey
47 main appearances![No image yet, be the one to add it. No image (yet).](https://static.tvmaze.com/images/no-img/no-img-portrait-clean.png)
Patterson
32 main appearances![Sparks](https://static.tvmaze.com/uploads/images/medium_portrait/384/961908.jpg)
Sparks
21 main appearances![No image yet, be the one to add it. No image (yet).](https://static.tvmaze.com/images/no-img/no-img-portrait-clean.png)
Chief Curley Jones
8 main appearances![No image yet, be the one to add it. No image (yet).](https://static.tvmaze.com/images/no-img/no-img-portrait-clean.png)
Seaview Doctor
11 main appearances![No image yet, be the one to add it. No image (yet).](https://static.tvmaze.com/images/no-img/no-img-portrait-clean.png)
Seaman Stu Riley
6 main appearances![No image yet, be the one to add it. No image (yet).](https://static.tvmaze.com/images/no-img/no-img-portrait-clean.png)