Dreamboat (1952)

Thornton Sayre, a respected college professor - secretly formerly a silent films romantic action hero - is disturbed, feeling his privacy has been violated, and his professional credibility as a scholar jeopardized, when he learns his old movies have been resurrected and are being aired on TV. He sets out to demand this cease. However, his former co-star is the hostess of the TV show playing the films, and she has other plans.