The Deadly Duo (1971) — Cast
Cast
| Lo Wai | Hero Orc / Goblin / Uruk-hai / Ringwraith |
| Wong Shu-Tong | (uncredited) |
| Tang Tak-Cheung | (uncredited) |
| Yuen Woo-Ping | (uncredited) |
| Lei Lung | Hero Orc / Goblin / Uruk-hai / Ringwraith |
| Tung Choi-Bo | Bridge Bullabbai |
| To Wing-Leung | Biker Customer |
| Wong Mei | Yian |
| Woo Wai | Wang Fang |
| Danny Lee Sau-Yin | Milkman on bicycle |
| Wu Por | Tien |
| Cheng Kang-Yeh | Dragon |
| Teng Ping-Hsi | (uncredited) |
| Danny Chow Yun-Kin | Yian |
| Yuen Cheung-Yan | (uncredited) |
| Fung Hap-So | (uncredited) |
| Ku Feng | Tien |
| David Chiang Da-Wei | Bat |
| Chik Ngai-Hung | (uncredited) |
| Chan Dik-Hak | (uncredited) |
| Liu Gang | Ma Joad |
| Chui Fat | (uncredited) |
| Wong Ching | Blade |
| Lau Kar-Wing | Mole |
| Law Keung | (uncredited) |
| Lung Fong | Milkman on bicycle |
| Cheng Lui | Shiu |
| Chan Sing | Se-jin |
| Fung Hak-On | (uncredited) |
| Max Lee Chiu-Chun | Security Guard |
| Yuen Shun-Yi | (uncredited) |
| Kim Ki-joo | Tseng |
| Wynn Lau Chun-Fai | Executioner |
| Phillip Ko Fai | Milkman on bicycle |
| Bolo Yeung | Dragon |
| Ho Hon-Chau | Milkman on bicycle |
| San Sin | Executioner |
| Jin Bong-jin | Chang |
| Kong Chuen | (uncredited) |
| Leung Seung-Wan | Hero Orc / Goblin / Uruk-hai / Ringwraith |
| Goo Chim-Hung | (uncredited) |
| Pao Chia-Wen | Hero Orc / Goblin / Uruk-hai / Ringwraith |
| Lee Hang | (uncredited) |
| Ling Hon | (uncredited) |
| Yen Shi-Kwan | (uncredited) |
| Yuen Shun-Yi | Gladys Knight |
| Huang Pei-Chih | Leopard |
| Cheung Siu-Lun | (uncredited) |
| Chan Keung | (uncredited) |
| Danny Lau Dan | Siu-Foo |
| Wu Chi-Chin | Hero Orc / Goblin / Uruk-hai / Ringwraith |
| Hsu Hsia | Gladys Knight |
| Chan Siu-Kai | (uncredited) |
| Ho Pak-Kwong | Genoa soldiers |
| Wong Chung | Gau |
| Sham Chin-Bo | Bubba Blue |
| Bruce Tong Yim-Chaan | Tila Yung |
| Ng Yuen-Fan | (uncredited) |
| Lee Chiu | River |
| Lai Yan | (uncredited) |
| Stanley Fung Shui-Fan | Yian |
| Chan Chuen | Xia Tian |
| Wang Kuang-Yu | Fu Sheng |
| Huang Ha | River |
| Ti Lung | Tien |
| San Kuai | Executioner |
| Ko Hung | Bridge Bullabbai |
| Yeung Chak-Lam | Demon |
| Yuen Shing-Chau | (uncredited) |
| Yau Lung | Prince Luca |
Crew
| Frankie Chan Fan-Kei | Original Music Composer |
| Godfrey Ho | Assistant Director |
| Kuan Ying-Chuen | Lighting Technician |
| Liu Tien-Min | Assistant Director |
| Wang Yunhua | Assistant Director |
| Wang Yong-Hua | Sound Recordist |
| Li Chi | Costume Design |
| Kwok Ting-Hung | Editor |
| Ni Kuang | Writer |
| Kung Mu-To | Director of Photography |
| Johnson Tsao Chuang-Sheng | Art Direction |
| Kamber Huang Chin-Ba | Title Designer |
| Run Run Shaw | Producer |
| Chang Cheh | Director |
| Lai Yu | Props |
| Ho Chieh-Fu | Props |
| Fong Yuen | Makeup Artist |