A colleague from military intelligence calls on Mac, and is murdered. First two-hour episode of the series.
| Name | Type | Role | |
|---|---|---|---|
| Gordon Cotler | Writer | ||
| Don M. Mankiewicz | Writer | ||
| Ned Wertimer | Guest Star | ||
| Nira Barab | Guest Star | ||
| Steve Forrest | Guest Star | ||
| Penelope Gilette | Guest Star | ||
| James Chandler | Guest Star | ||
| Ross Hagen | Guest Star | ||
| William Bryant | Guest Star | ||
| Stephen McNally | Guest Star | ||
| Leo G. Morrell | Guest Star | ||
| Gino Conforti | Guest Star | ||
| Dana Wynter | Guest Star | ||
| Vito Scotti | Guest Star | ||
| James Dobson | Guest Star | ||
| Barbara Baldavin | Guest Star | ||
| Buddy Young | Guest Star | ||
| Donna Douglas | Guest Star | ||
| Nehemiah Persoff | Guest Star | ||
| Ed McCready | Guest Star | ||
| Lee H. Katzin | Director | ||
| Paul Mason | Director |