Checkmate's housekeeper is thrown from a window. But before she dies, she calls Jed and tells him she heard one of her clients speak of an upcoming murder. Now Jed and Checkmate must find the one to be murdered and figure out who the killers are.
| Name | Type | Role | |
|---|---|---|---|
| Betty Ulius | Writer | ||
| Halsey Melone | Writer | ||
| Roy Jenson | Guest Star | ||
| Madge Blake | Guest Star | ||
| Terry Moore | Guest Star | ||
| Ruby Dandridge | Guest Star | ||
| John Lasell | Guest Star | ||
| Philip Ober | Guest Star | ||
| Peter Leeds | Guest Star | ||
| Shirley Ballard | Guest Star | ||
| Maudie Prickett | Guest Star | ||
| Naomi Stevens | Guest Star | ||
| Herschel Daugherty | Director |