Valerie Cossart was born on June 27, 1907 in Marylebone, London, England as Valerie Von Holst. She was an actress, known for The Philco Television Playhouse (1948), Kraft Television Theatre (1947) and The Ford Theatre Hour (1948). She was married to Graham Livingston. She died on December 31, 1994 in Manhattan, New York City, New York, USA.