Cecil B. DeMille: Cecil B. DeMille. Producer: The Ten Commandments. His parents Henry C. DeMille and Beatrice DeMille were playwrights. His father died when he was 12, and his mother supported the family by opening a school for girls and a theatrical company. Too young to enlist in the Spanish-American War, Cecil followed his brother William C. de Mille to the New York Academy of Dramatic Arts, making his stage debut in 1900....
