Sea of Sand is a 1958 British war film starring Richard Attenborough, John Gregson and Michael Craig. The film, which was directed by Guy Green, is about a patrol of the Long Range Desert Group (LRDG) during the North African Campaign in the Second World War. It was shot on location in the Kingdom of Libya.

Harold Thomas Gregson, known professionally as John Gregson, was an English actor of stage, television and film, with 40 credited film roles. He was best known for his crime drama and comedy roles.