Sophie Treadwell (3 Oktober 1885 – 20 Februarie 1970) was 'n Amerikaanse aktrise en skryfster. Sy was bekend vir haar rolle in die televisiereekse Robert Montgomery Presents (1950), The United States Steel Hour (1953), en Armchair Mystery Theatre (1960). 1950: Robert Montgomery Presents 1953: The United States Steel Hour 1960: Armchair Mystery Theatre Sophie Treadwell in die Internet-rolprentdatabasis