The Fatal Secret

The Fatal Secret is a 1733 tragedy by the British writer Lewis Theobald.

The original Covent Garden cast included Lacy Ryan as Ferdinand, Thomas Walker as Cardinal of Aragon, William Milward as Antonio, Thomas Chapman as Marquise of Pescara, William Paget as Flavio, Walter Aston as Urbino James Quin as Bosola, Elizabeth Vincent as the Duke of Malfy and Anne Hallam as the Duchess of Malfy. The prologue was written by Philip Frowde.