Darryl Enders copies secret files from Veretex Electronics, where his wife Pauline works. She discovers the photos and is killed. Barnaby finds out that Darryl is a bigamist with another wife, Linda, secretary at a company cooperating on the same secret project.
| Name | Type | Role | |
|---|---|---|---|
| Gerald Sanford | Writer | ||
| Gwen Humble | Guest Star | ||
| Glenn Corbett | Guest Star | ||
| Fran Brill | Guest Star | ||
| Markie Post | Guest Star | ||
| Sean Fallon Walsh | Guest Star | ||
| Eve McVeagh | Guest Star | ||
| Kenneth Tobey | Guest Star | ||
| David S. Cass Sr. | Guest Star | ||
| Lane Allan | Guest Star | ||
| Martin Cassidy | Guest Star | ||
| M.G. Kelly | Guest Star | ||
| Kenneth C. Gilbert | Director |