Red Dragon (German: Das Geheimnis der drei Dschunken, lit. 'The Secret of the Three Junks', Italian: A-009 missione Hong Kong) is a 1965 West German-Italian spy film directed by Ernst Hofbauer and starring Stewart Granger, Rosanna Schiaffino, and Margit Saad.^[2] It was released in Germany as Das Geheimnis der drei Dschunken and A 009 missione Hong Kong in Italy. It was released in the United States as a double feature with Lightning Bolt by Woolner Brothers in 1967 under the title Code Name Alpha.^[3]

The film's sets were designed by the art director Max Mellin. It was shot on location in Hong Kong.

The film is based on the 1952 novel Les Gentlemen de Hong Kong by Georges Godefroy that was made as the French spy film The River of Three Junks (1957) set in Saigon.

In a Hong Kong park, a man brushes against the arm of a girl sitting on a bench, and she slips to the ground, murdered. Immediately afterward, the man is killed also. It turns out the woman was connected with a jewel-smuggling ring, and the man was a federal agent. FBI agent Michael Scott is given the assignment and finds a way to sneak agent Carol into the smuggling gang. Carol goes to work for Pierre Milot, who works for the smugglers.