Kelly Anderson, an adopted young heiress, hired Marvin Kates to search for her real mother. When Kates is killed Barnaby takes over. He traces the mother Mary Willson. But there is also her sister Anita, who tries to prevent Mary from meeting Kelly.
| Name | Type | Role | |
|---|---|---|---|
| Dick Nelson (I) | Writer | ||
| Claudia Bryar | Guest Star | ||
| Mitzi Hoag | Guest Star | ||
| Arch Whiting | Guest Star | ||
| Trish Stewart | Guest Star | ||
| Eileen Brennan | Guest Star | ||
| Len Wayland | Guest Star | ||
| Allen Case | Guest Star | ||
| Ross Elliott | Guest Star | ||
| Walter Grauman | Director |