“Days of Our Lives” is known for taking risks with its plotlines.

The long-running NBC soap opera has aired manyshocking twistsand turns and delivered somehead-scratching momentsover the years, perFame 10.

However, that wasn’t the first time that “Days of Our Lives” made soap history.

Days of Our Lives stars Deidre Hall and Andrea Hall smiling

The show has continued to push the envelope and find new ways to excite viewers over the decades.

In 1976, actress Deidre Hall debuted as the now-iconic character Dr. Marlena Evans.

Samantha was known for being Marlena’s jealous sister, who even attempted to steal her identity.

Deidre Hall and twin sister Andrea Hall posing

After Marlena was saved, Samantha was arrested and served time in prison.

She and Marlena eventually reconciled.

However, In 2004, Andrea retired from acting.

So whenever Hattie reappears in Salem, the role has been played by Deidre.