The Checkmate Detective Agency is hired by the rich owner of a horse farm, after what appear to be bogus attempts on her life. This all happens after her husband is found guilty of murder and receives the death penalty.
| Name | Type | Role | |
|---|---|---|---|
| John Kneubuhl | Writer | ||
| James Gunn | Writer | ||
| Anne Baxter | Guest Star | ||
| Myron Healey | Guest Star | ||
| James Bell | Guest Star | ||
| Kenneth MacDonald | Guest Star | ||
| Frankie Darro | Guest Star | ||
| Jules Bricken | Director |