From Wikipedia, the free encyclopedia Yvonne Monlaur (*December 15, 1939 † April 18, 2017) was a retired French film actress of the late 1950s and 1960s best known for her roles in the Hammer horror films. Her father's a White Russian count; her mother's a ballet dancer. She starred in the 1958 Italian film Three Strangers in Rome which was amongst Claudia Cardinale's earliest films and in 1960 in the horror film Circus of Horrors alongside prominent actors in British film such as Anton Diffring and Donald Pleasence. In 1960, she also star…