Constance has even embraced learning a new language to make the role more real. In fact, that is her favorite part, learning sign language. ... She said, “I had three weeks [of training] before the pilot and two weeks before we started filming to learn as much sign language as I could.

Why does Regina stop signing?

At some point in the series, Regina was diagnosed with a hand disorder that forced her to stop signing and quit her work as a hairdresser. Aside from an angry outburst from Melody that she's never heard of that happening, the show never mentions it again.

Did the Switched at Birth actors have to learn sign language?

Switched at Birth has a unique credit: It is the only show to do an entire episode in American Sign Language. ... Having had to go from not speaking to being fluent, the cast did us a solid and told us the essential signs to know if you're just starting out learning ASL. Check it out in the included video.