Burke heads to London to battle power-crazed tycoon Alexander Szabo, a maniac who possesses a deadly truth serum. Szabo uses the serum on top government officials who, after revealing secret information, are then caused to commit suicide by the drug's effects.
| Name | Type | Role | |
|---|---|---|---|
| Jack Perkins | Guest Star | ||
| Dyan Cannon | Guest Star | ||
| Bernard Fox | Guest Star | ||
| David Sheiner | Guest Star | ||
| Max Dommar | Guest Star | ||
| James Frawley | Guest Star | ||
| Elsa Ingram | Guest Star | ||
| Jason Wingreen | Guest Star | ||
| Louis Mercier | Guest Star | ||
| Richard Angarola | Guest Star |