Sally is kidnapped at an art museum. The ransom: a priceless painting owned by Spain that they are unwilling to relinquish. Mac's only clue takes him back to the day he proposed to Sally.
| Name | Type | Role | |
|---|---|---|---|
| Oliver Hailey | Writer | ||
| Henry Jones | Guest Star | ||
| Alan Caillou | Guest Star | ||
| Cesare Danova | Guest Star | ||
| Felice Orlandi | Guest Star | ||
| John Stephenson | Guest Star | ||
| Paul Sorenson | Guest Star | ||
| Stuart Nisbet | Guest Star | ||
| Ken Jones | Guest Star | ||
| King Moody | Guest Star | ||
| Alan Hale Jr. | Guest Star | ||
| Paul Mason | Director | ||
| Ted Leighton | Director | ||
| Edward M. Abroms | Director |