Christa Lang (born December 23, 1943) is an American film and television actress and screenwriter. Lang has worked frequently with her husband, director Samuel Fuller and is known for such films as White Dog, Dead Pigeon on Beethoven Street, What's Up, Doc?, Land of Plenty, No Fear, No Die, Alphaville, The Big Red One, Nickelodeon and Thieves After Dark. As a screenwriter, she is perhaps best known as the co-writer of the film Girls in Prison.