Joe and Bill investigate a missing high school student. They find that both the student and her older sister are missing. However, the apartment manager and neighbor say that there is no younger sister. Joe and Bill must find the truth.
| Name | Type | Role | |
|---|---|---|---|
| Alf Harris | Writer | ||
| Don Ross | Guest Star | ||
| Howard Culver | Guest Star | ||
| Jill Banner | Guest Star | ||
| Andrea King | Guest Star | ||
| Joy Ellison | Guest Star | ||
| Dee Carroll | Guest Star | ||
| Eve Brent | Guest Star | ||
| Bert Holland | Guest Star | ||
| Rhoda Williams | Guest Star | ||
| Peggy Webber | Guest Star | ||
| Jack Webb | Director |