- Released in 1973 | Color
- Running Time: 104 Min.
- Production Co: Shaw Brothers
- Distribution Co: Shaw Brothers (1972) (Hong Kong) (theatrical) | Warner Bros. Pictures (1973) (USA) (theatrical) (dubbed) | Columbia-Warner Distributors (1973) (UK) (theatrical)
- Directed by Chang-hwa Jeong (as Cheng Chang Ho)
- Written by Yeung Kong
- Starring Lieh Lo, Ping Wang, Hsiung Chiao, Chin-Feng Wang, Chan Shen, Mien Fang, Feng Tien, James Nam, Bolo Yeung
- Produced by Run Run Shaw
- Original Music by Yung-Yu Chen
- Cinematography by Yung-lung Wang
- Film Editing by Hsing-lung Chiang, Kung Wing Fan
Also Known As
- 5 Fingers of Death (USA) (poster title) | Cinque dita di violenza (Italy) | De profesion - Invencible (Spain) | Hand of Death | Invincible Boxer | Iron Palm (Hong Kong) (working title) (English title) | Karatekuningas (Finland) (informal title) | King Boxer (Hong Kong) (original subtitled version) (English title) | La Main de fer (France) | Mannen med järnhanden (Finland) (informal title) (Swedish title) | Rautanyrkki (Finland) (informal title) | Tin ha dai yat kuen (Hong Kong) (Cantonese title) | O Vasilias tou karate (Greece) | Zhao - Der Unbesiegbare (Germany)
- The New Movie Sensation That's Storming the Entire World! | The Martial Arts Masterpiece! Sights and Sounds Like Never Before | The first international martial arts movie sensation | Come prepared for the thrill of a lifetime!