Cast & crew
The Secret Code (1965)
Directed by Tu Kuang-chi Written by Tu Kuang-chi
Cast
| Chow Gat | Chik |
| Ling Mung | Fung |
| Wan Ling-Kwong | Detective Fritz |
| Tang Ti | Tin Tin |
| Wong Kung-Miu | Yuet |
| Lam Liu-Ngok | Yim |
| Lok Gung | Detective Fritz |
| Cheung Yee | Lam |
| Ting Ying | Cheung |
| Helena Law Lan | Yuet |
| Fung Ming | Policeman |
| Lam Kau | Johnny Mo |
| Lam Yuk | Gangster |
| Fung Ging-Man | Can-Can Dancers |
| Yeung Chun-Sing | Detective Fritz |
Crew
| Kit Wong | Production Manager |
| Cheng Wei-Kuang | Script Supervisor |
| Ho Goon | Lighting Design |
| Lee Ping-Nam | Makeup Artist |
| Suen Lun | Cinematography |
| Tu Kuang-chi | Screenplay |
| Lee Sze | Music |
| Sung Ming | Editor |
| Wong Cheuk-Hon | Producer |
| Tu Kuang-chi | Director |
| Lam Wah-Sam | Props |