Shih Szu (Chinese: 施思; pinyin: Shī Sī) is an actress from Taoyuan, Taiwan. She was born Lei Qui Si (雷秋思) to parents from Hunan Province. A ballet student from the age of six, at the age of sixteen she joined Shaw Brothers Studio after secondary school and began appearing in films such as The Crimson Charm and The Rescue. However, the film that would rocket her to stardom would be her appearance opposite the famous Cheng Pei-pei in 1971's The Lady Hermit. She then would go on to appear in numerous wuxia and kung fu films such as The Thunderbolt Fist, Heroes of Sung, The Shadow Boxer, The Lady of the Law. The Shaws, seeing great potential in her, gave her a role in Hammer and the Shaws’ co-production The Legend of the 7 Golden Vampires but the film was not successful internationally. By the mid to late '70s, she was mostly relegated to supporting roles in films for such directors as Chang Cheh (Marco Polo, The Naval Commandos), Chor Yuen (Jade Tiger, Clan of Amazons) and Sun Chung (Avenging Eagle, The Deadly Breaking Sword). She also began to appear in films in Hong Kong and Taiwan outside of Shaw Brothers such as The Revenger and The Heroes. Her last film at the Shaw Brothers studio was in 1980's A Deadly Secret. Shih's last Hong Kong Film was The Murder, a 1983 Crime film directed by Lee Chiu. Shih returned to Taiwan and resumed her film career there. Her last appearance was in a Taiwanese television series in 1987.