* "How Fong Sze Yu Shattered the White Lotus Gang" (1950) likely refers to a Hong Kong martial arts film.
* These older films often have limited online information.
Here are some ways to find the information:
1. Specialized Film Databases: Try searching for the film on websites like the Hong Kong Film Archive (HKFA), the Chinese Movie Database (CMDB), or the Internet Movie Database (IMDb). These might have limited details, including cast listings.
2. Academic Resources: Search for film studies research or scholarly articles on Hong Kong cinema. Authors might have mentioned actors in their analyses.
3. Hong Kong Film Experts: Contact Hong Kong film historians or experts through universities or film institutions. They might have access to more obscure information about older films.
Good luck in your search!