What secret lay behind the dreaded Marsh Phantoms, the ghostly riders whose silent approach in the darkness of the bleak, unwelcoming Romney Marshes causes men to die of fright? Are they a genuine manifestation or a cover for illegal smuggling … Peter Cushing, Patrick Allen, Oliver Reed, Yvonne Romain, Michael Ripper, Martin Benson, David Lodge Added on Amazon Prime 2023-09-22.