Simon Brimmer once again fingers the wrong culprit in this tale about the murder of a socialite who was apparently leading a double life. The case has its underpinnings in events that happened in 1922 France. It's a hard road to the solution and Ellery takes the correct one as usual.
| Name | Type | Role | |
|---|---|---|---|
| Frederic Dannay | Writer | ||
| Manfred Lee | Writer | ||
| Victor Buono | Guest Star | ||
| Joyce Brothers | Guest Star | ||
| Ben Wright | Guest Star | ||
| Forrest Tucker | Guest Star | ||
| James Andronica | Guest Star | ||
| Woodrow Parfrey | Guest Star | ||
| Michael Arthoffer | Guest Star | ||
| Diana Chesney | Guest Star | ||
| Edward Mulhare | Guest Star | ||
| Vera Miles | Guest Star | ||
| Theodore Bikel | Guest Star | ||
| Alfred Ryder | Guest Star | ||
| Jack Arnold | Director |