In London, Lanyard is investigating threats against the life of a world-famous ballet dancer when she apparently commits suicide.
| Name | Type | Role | |
|---|---|---|---|
| Donald Hyde | Writer | ||
| Celia Lovsky | Guest Star | ||
| Ian Wolfe | Guest Star | ||
| Kathleen Crowley | Guest Star | ||
| John Mylong | Guest Star | ||
| Adele Mara | Guest Star | ||
| Alfred E. Green | Director |