Parker is feeling somewhat depressed, after getting scared during a chase after a Japanese patrol boat, especially after Binghamton accuses him of cowardice. But Binghamton changes his mind, when Parker – During a test run, on the 73 – Spots a German U-Boat, and goes after it.
| Name | Type | Role | |
|---|---|---|---|
| Frank J. Gill Jr. | Writer | ||
| George Carleton Brown | Writer | ||
| George I. Zaima | Guest Star | ||
| Mako | Guest Star | ||
| Larry Gelbman | Guest Star | ||
| Walter G. Friedel | Guest Star | ||
| Sidney Lanfield | Director |