When the owner of a restaurant, Rick Lorenzo, is found drowned by the sea, Barnaby is hired to investigate. Betty hopes to prove the innocence of murder suspect Vince Bradford, Lorenzo's successor, as Vince once was her boy friend before he married wealthy Nora.
| Name | Type | Role | |
|---|---|---|---|
| Dick Nelson (I) | Writer | ||
| Diana Hyland | Guest Star | ||
| Gary Collins | Guest Star | ||
| Dick Van Patten | Guest Star | ||
| Stewart Moss | Guest Star | ||
| Loni Anderson | Guest Star | ||
| Priscilla Pointer | Guest Star | ||
| Eugene Peterson | Guest Star | ||
| Frank Barone | Guest Star | ||
| Harvey Fisher | Guest Star | ||
| Walter Grauman | Director |