A policeman forsakes his dream of world travel to care for a mentally impaired brother, who is later kidnapped by gangsters.
Unfortunately the movie Heart of Dragon is not yet available on HBO Max.
| Crew | Sammo Hung | Martial Arts Choreographer |
| Directing | Sammo Hung | Action Director |
| Crew | Corey Yuen | Martial Arts Choreographer |
| Directing | Corey Yuen | Action Director |
| Crew | Mang Hoi | Martial Arts Choreographer |
| Directing | Mang Hoi | Action Director |
| Crew | Yuen Wah | Martial Arts Choreographer |
| Directing | Yuen Wah | Action Director |
| Crew | Billy Chan | Martial Arts Choreographer |
| Directing | Billy Chan | Action Director |
| Crew | Yuen Biao | Martial Arts Choreographer |
| Directing | Yuen Biao | Action Director |
| Crew | Blackie Ko Shou-Liang | Stunt Driver |
| Crew | Chiu Jun-Chiu | Stunt Driver |
| Crew | Yuen Miu | Stunts |
| Crew | Pang Yun-Cheung | Stunts |
| Crew | Chow Gam-Kong | Stunts |
| Crew | Ka Lee | Stunts |
| Crew | Chun Kwai-Bo | Stunts |
| Crew | Ng Min-Kan | Stunts |
| Crew | Lee Chi-Kit | Stunts |
| Directing | Sammo Hung | Director |
| Writing | Barry Wong | Writer |
| Directing | Ng Min-Kan | Assistant Director |
| Directing | Chang Ching-Po | Assistant Director |
| Directing | Billy Chan | Assistant Director |
| Camera | Arthur Wong Ngok-Tai | Director of Photography |
| Camera | Au Kam-Hung | Focus Puller |
| Camera | Cheung Man-Po | Focus Puller |
| Lighting | Chow Lam | Lighting Technician |
| Art | Fung Yuen-Chi | Art Direction |
| Art | Cheung Yun-Keung | Assistant Art Director |
| Art | Alan Sin Ngai-Lung | Assistant Art Director |
| Costume & Make-Up | Yiu Wai-Man | Costume Design |
| Costume & Make-Up | Lee Mei-Bik | Makeup Artist |
| Costume & Make-Up | Julian Yeung Chun-Man | Hairstylist |
| Editing | Peter Cheung Yiu-Chung | Editor |
| Editing | Keung Chuen-Tak | Editor |
| Art | Yip Kwok-Chi | Props |
| Sound | Chow Shao-Lung | Sound Recordist |
| Sound | Violet Lam | Original Music Composer |
| Crew | Chin Ka-Lok | Stunt Double |
| Crew | Jimmy Wang Yu | Presenter |
| Production | Fruit Chan | Production Manager |
| Production | Rosita Wong Siu-King | Production Manager |
| Production | Benny Chan Chi-Shun | Assistant Production Manager |
| Editing | Jessica Chan Pui-Wah | Project Manager |
| Production | Alex Chong Tak-Lik | Unit Manager |
| Camera | Fong Ho-Yuen | Still Photographer |
| Sound | Ng Kwok-Wah | Foley |
| Sound | Ding Yue | Dialogue Editor |
| Sound | Wong Ping | Dialogue Editor |
| Production | Leonard Ho | Producer |
| Production | Jessica Chan Pui-Wah | Producer |
| Directing | Bosco Lam Tsz-Ho | Script Supervisor |
| Sound | Sherman Chow Gam-Cheung | Original Music Composer |
| Sound | Yuen-Leung Poon | Original Music Composer |
| Directing | Fruit Chan | Director |
