* Different types of roles: He has acted in movies, TV shows, and even provided voices for animated films.
* Cameos and small roles: There are many films where he has a small, uncredited role, or a cameo.
* Different databases: Different sources may count films differently (e.g., do they include direct-to-video films, or only theatrical releases?).
However, according to the Internet Movie Database (IMDb), as of today, November 14th, 2023, Sylvester Stallone has appeared in 83 films. This number includes movies, TV movies, and even short films.
Keep in mind, this is just a starting point. For a more precise number, you might need to consider specific criteria and consult various sources.