Michael Nader was an American actor, known for his roles as Dex Dexter on the ABC primetime soap opera Dynasty from 1983 to 1989, and Dimitri Marick on the ABC daytime soap opera All My Children from 1991 to 2001, and in 2013. He also starred as Kevin Thompson on the soap opera As the World Turns from 1975 to 1978.

Farnsworth "Dex" Dexter is a fictional character on the ABC prime time soap opera Dynasty. Portrayed by Michael Nader, the character was introduced as a love interest for Alexis Colby in the series' fourth season in 1983. He became her third husband, and arguably the second great love of her life, after Blake Carrington. Even after the end of their marriage, Dex remained a strong force in Alexis's life. Dex Dexter remained on the series until its final episode in 1989.