Derrick De Marney: Derrick De Marney. Actor: The Inheritance. Derrick de Marney was born in London in September 1906 of Irish and French ancestry. He acted in repertory theatre from 1922, hit the London stage four years later and began in films by 1928. During the 1930s, he worked primarily under contract at Alexander Korda's Denham Studios. A handsome and versatile leading actor, de Marney was never content to be typecast merely as...