On vacation, Mannix discovers a hit operation.
| Name | Type | Role | |
|---|---|---|---|
| Shimon Wincelberg | Writer | ||
| Ben Roberts | Writer | ||
| BarBara Luna | Guest Star | ||
| Del Monroe | Guest Star | ||
| James W. Gavin | Guest Star | ||
| Ronnie Rondell Jr. | Guest Star | Durovic (as Ron Rondell) | |
| Fred M. Waugh | Guest Star | ||
| John Hillerman | Guest Star | ||
| Arnold Laven | Director |