Mannix quits rather than chase a necklace and a mobster, and stumbles into a case of murder and fraud.
| Name | Type | Role | |
|---|---|---|---|
| Dorothy Herald | Writer | ||
| Marianna Hill | Guest Star | ||
| Harry Harvey | Guest Star | ||
| Mort Mills | Guest Star | ||
| Howard Da Silva | Guest Star | ||
| Sr. | Guest Star | ||
| Vic Lundin | Guest Star | ||
| Barbara Baldavin | Guest Star | ||
| Scott Marlowe | Guest Star | ||
| Jody Gilbert | Guest Star | ||
| Sid McCoy | Guest Star | ||
| Charlie Wagenheim | Guest Star | ||
| Morris Buchanan | Guest Star | ||
| Jon Silo | Guest Star | ||
| Lou Brandt | Director |