A WW II spy, Colonel Alec Nivin, is on a book tour in New York concerning his memoirs in which he accuses a variety of people of war crimes and treasonous acts. Ellery's galpal, Jenny O'Brien, finds the erstwhile spy dead in his hotel room having been stabbed with an antique dagger. Everybody except Jenny is a suspect in this one.
| Name | Type | Role | |
|---|---|---|---|
| Robert Swanson | Writer | ||
| Richard Levinson | Writer | ||
| Robert Loggia | Guest Star | ||
| Peter Bromilow | Guest Star | ||
| Pernell Roberts | Guest Star | ||
| Claude Earl Jones | Guest Star | ||
| Caryn Matchinga | Guest Star | ||
| René Auberjonois | Guest Star | ||
| Jonathan Hole | Guest Star | ||
| Lloyd Bochner | Guest Star | ||
| Gretchen Corbett | Guest Star | ||
| Nina Van Pallandt | Guest Star | ||
| Seymour Robbie | Director |