Salah El-Din Ahmed Mourad Zulfikar was an Egyptian actor and film producer. He started his career as a police officer in the Egyptian National Police, before becoming an actor in 1956. He is regarded as one of the most influential actors in the history of the Egyptian film industry.

Return My Heart (Egyptian Arabic: رد قلبى, translit: Rodd Qalbi, is a 1957 Egyptian film directed by Ezz El-Dine Zulficar and written by Yusuf Sibai and Ezz El-Dine Zulficar. It stars Shoukry Sarhan, Mariam Fakhr Eddine, Salah Zulfikar, Hussein Riad and Hind Rostom. The film is listed in the Top 100 Egyptian films of the 20th century.