A grudge between two divers whom Mike is testing for underwater mining skills becomes a secondary issue when one of them contracts nitrogen narcosis.
| Name | Type | Role | |
|---|---|---|---|
| Ellis Marcus | Writer | ||
| Robert Clarke | Guest Star | ||
| Troy Melton | Guest Star | ||
| Douglas Dick | Guest Star | ||
| Robert Burton | Guest Star | ||
| Madge Meredith | Guest Star | ||
| Riza Royce | Guest Star | ||
| Anton Leader | Director |