Which director acted in more films, Ricardo Costa or Barry Levinson? 
Ricardo Costa (filmmaker): Ricardo Costa (born 25 January 1940) is a Portuguese film director and producer. Barry Levinson:  Levinson's best-known works are comedy-drama and drama films such as "Diner" (1982), "The Natural" (1984), "Good Morning, Vietnam" (1987), "Bugsy" (1991), and "Wag the Dog" (1997).
i don't know