Action | April 25, 1961
Action | April 25, 1961
| Producers | Shaw Brothers |
| Original title | Yan zi dao |
| Directors | Griffin Yueh Feng |
| Writers | Chen De-Yi |
as Yin Niu (The Swallow)
as Insp. Li Te-Biao
as
as Chiang Shou-shan
as Insp. Lu Lao-Yi
as Ta Yu
as Det. Ho Bao-Shan
as
