Petrocelli unravels a murder mystery rooted in blackmail.
| Name | Type | Role | |
|---|---|---|---|
| Robert C. Dennis | Writer | ||
| Dick Armstrong | Guest Star | ||
| Michael Burns | Guest Star | ||
| John Calvin | Guest Star | ||
| Lisa Farringer | Guest Star | ||
| Fritz Weaver | Guest Star | ||
| Caroline Reed | Guest Star | ||
| Gene Tyburn | Guest Star | ||
| David Huddleston | Guest Star | ||
| Jimmie Wright | Guest Star | ||
| Steve Eastin | Guest Star | ||
| Ron Foster | Guest Star | ||
| Moe Mosley | Guest Star | ||
| Herb Wallerstein | Director |