Castle purchased the rights and hired its author, Ray Russell, to write the screenplay.

Other writers included Ray Russell, Richard Matheson and Charles Beaumont.

Ray Russell (4 September 1924 - 15 March 1999) was an American writer of short stories, novels, and screenplays.

"Their answers are all taken from historic documents, word for word," said Ray Russell, the tour guide.

Alan Greed went on to work with Ray Russell on the Rock Workshop albums, and as a session singer.

The Gadabout was invented by Ray Russell.

Ray Russell - lead & background guitars (on tracks 3 & 7)

Ray Russell - acoustic guitar on "Can't Get Enough Of You"

Ray Russell - A Table Nearer the Band (1990)

Screenplay by George Franklin, based on the novel by Ray Russell.