- Unknown:
- Margaret Potter
- Unknown:
- John Broadbent.
- Unknown:
- Ralph Hallett
- Unknown:
- Barrie Hesketh
- Unknown:
- Philip Waddilove
- Played By:
- Dilys Shepherd
- Production By:
- Trevor Hill
- Queen Elizabeth I:
- Valerie Skardon
- Her Secretary, Sir Francis Walsing ham:
- Norman Partriege
- Daniel Thrimble, the young Captain of The Marigold:
- Brian Trueman
- Master Brampton, owner of the vessel:
- Harry Markham
- Nicholas Saunders, clerk to the Mer chant Adventurers of Hull:
- Leonard Williams
- Samuel Padgett. retired seaman and landlord of ' The Black Arrow:
- Herbert Smith
- Mistress Padgett, his wife:
- Norma Wilson
- Mr. Crawford, a merchant of London Town:
- Alan Wheatley
- Emmanuel del Guardas. a Spanish agent:
- Robert Rietty
- Squire Trelawney, of Utley Manor on the Cornish coast..:
- Richard Courtney
- Mistress Trelawney, his wife:
- Rosalie Williams
