Mary Sinclair: Mary Sinclair. Actress: Studio One. Mary Sinclair was historically significant for being the first actress to sign a seven-year contract with a television studio. In 1951 she signed with CBS and became a staple in an emerging genre, the one-hour television drama. She regularly appeared on the most popular programs such as The U.S. Steel Hour, and Playhouse 90. Her performances in Wuthering Heights, with Charlton Heston, The Scarlet Letter,...
Known For: Studio One (Anne MarkumCatherine Earnshaw LintonHester PrynneJane EyreJo MarchLeahMeg MarchStephanie Gireaux), Tales of Tomorrow (Actress), Lights Out (Actress), One Step Beyond (Maude Gillespie)