Mannix cooperates in a police investigation.
| Name | Type | Role | |
|---|---|---|---|
| Shimon Wincelberg | Writer | ||
| Shirl Hendryx | Writer | ||
| Jan Arvan | Guest Star | ||
| Stuart Nisbet | Guest Star | ||
| Jack Bannon | Guest Star | ||
| Tony De Costa | Guest Star | ||
| Gail Kobe | Guest Star | ||
| Robert Phillips | Guest Star | ||
| Frank Ramierz | Guest Star | ||
| Pilar Seurat | Guest Star | ||
| Robert Reed | Guest Star | ||
| Victor Izay | Guest Star | ||
| Harry Harvey Jr. | Director |