It's possible:
* There is a spelling error: Could you double-check the name? Perhaps it's a slightly different spelling.
* The person is not a well-known actor or filmmaker: If Mario Amaya has worked in smaller productions or behind the scenes, information about their work might be harder to find.
* You are thinking of someone else: Do you remember any other details about their work, like the types of movies or shows they were in?
Please provide any additional information you have, and I'll do my best to help you find more about Mario Amaya.