Thanks! It doesn't look like Rotten Tomatoes has a good way of searching for movies by actor though, another source might be needed.
posted by mattr555 Community Leader3 years and 8 months ago Link

Perhaps the IMDB API, it exists but it's primarily undocumented, this is all I was able to dig up:

Perhaps it will help someone more tech savy than me!
posted by AdamSC1 Staff3 years and 8 months ago Link