It's possible that he might be a less-known actor with smaller roles or projects, or he could be involved in other areas of entertainment that are not publicly documented.
To find more information about Mario Casillas and his potential involvement in entertainment, you could try:
* Searching online databases: Sites like IMDb or other entertainment databases might list him if he has worked in film or television.
* Checking local entertainment listings: If you know the specific region where he might be active, looking at local newspapers, magazines, or websites for entertainment listings could reveal his involvement in local productions.
* Reaching out to casting agencies or local film communities: If you have more specific information about his location or areas of interest, you could try contacting casting agencies or film communities in that area.
Without more information about Mario Casillas, it's difficult to pinpoint his exact involvement in the entertainment industry.