It's possible that:
* He's a relatively unknown actor or filmmaker. There are many talented individuals working in the industry who haven't reached mainstream fame.
* His name may be spelled differently. Double-checking the spelling of his name could lead to different results.
* He may be involved in other areas of the film industry. He could be a screenwriter, producer, director, or work behind the scenes.
To find more information, you could:
* Use a search engine like Google. Search for "Andreas Tsakonas movies" or "Andreas Tsakonas filmography".
* Check movie databases like IMDb. IMDb (Internet Movie Database) is a comprehensive resource for film and television information.
* Look for social media profiles. If he's active online, you might find information about his work on social media platforms.
If you have any more information about him, such as a specific role or project, that could help narrow down your search.