When Peggy Giroux meets her brother Neal at a restaurant he mysteriously vanishes after being injured by a hit-and-run driver. Peggy hires Barnaby to locate Neal and he and J.R. find out that Neal is a professional killer who hides a gun proving his boss murdered a man years ago.
| Name | Type | Role | |
|---|---|---|---|
| Gerald Sanford | Writer | ||
| Maurice Marsac | Guest Star | ||
| Lee Purcell | Guest Star | ||
| Edward Power | Guest Star | ||
| Steve-Allie Collura | Guest Star | ||
| Frank Marth | Guest Star | ||
| Susan Keller | Guest Star | ||
| Mary-Robin Redd | Guest Star | ||
| Alain Patrick | Guest Star | ||
| John McCann | Guest Star | ||
| Linda Harrison | Guest Star | ||
| Robert Pine | Guest Star | ||
| Wayne Heffley | Guest Star | ||
| Leo Penn | Director |