When she was in Nicaragua filming for a movie she visited many deaf children and has continued this tradition ever since. She has traveled all around Europe to countries such as Germany, Italy, and England to visit deaf people and to give speeches.
Marlee is also a spokeswoman for the National Captioning Institute. In 1995 she testified at a Congressional hearing, and helped get a law passed that requires all TV sets 13 inches or larger to be manufactured with built-in chips to provide "Closed Captioning" on their screens. She also serves on the boards for many charitable organizations in the deaf community. Some of these organizations include Very special arts and the starlight foundation. Most of the organizations she serves in have to do with benefiting