Zen Kwan Do Strikes Paris(1979)

John Liu plays himself as the Hong Kong martial films star and son of a NASA scientist kidnapped in Paris whom may be valuable to a criminal organization. Liu comes back to France, where he had a sentimental affair with a Frenchwoman which ended badly and also created the Zen-Kwan-Do martial school. In Paris, Liu must fight many Caucasian top fighters while he looks for his father and daughter.