What movie and television projects has Grethe Ryen been in?

Grethe Ryen is a Norwegian actress, but she has not been in any major movies or TV shows. She is not listed on IMDb or any other major film database. It's possible she may have been in smaller, regional productions or independent films.

It's worth noting that a lot of actors, particularly those who work regionally, may not have extensive online profiles.

To confirm her film and television credits, it might be best to reach out to her directly or to research local theatre groups or film organizations in Norway.