The Cruel Sea is a 1953 British war film based on the novel of the same title by Nicholas Monsarrat. The film starred Jack Hawkins, Donald Sinden, Denholm Elliott, Stanley Baker, Liam Redmond, Virginia McKenna and Moira Lister. The movie was made by Ealing Studios seven years after the end of the Second World War, and was directed by Charles Frend and produced by Leslie Norman.

Moira Lister Gachassin-Lafite, Viscountess of Orthez was a South African-British film, stage and television actress and writer.