A dead ex-con has Mannix's name on him.
| Name | Type | Role | |
|---|---|---|---|
| Jackson Gillis | Writer | ||
| Robert L. Friend | Writer | ||
| Jack Ging | Guest Star | ||
| Marti Stevens | Guest Star | ||
| Carlos Romero | Guest Star | ||
| Kathryn Hays | Guest Star | ||
| Diane Van Valin | Guest Star | ||
| Arthur Peterson | Guest Star | ||
| Orwin Harvey | Guest Star | ||
| George Savalas | Guest Star | ||
| Robert 'Buzz' Henry | Guest Star | ||
| Robert L. Friend | Director |