Michael Nader (born February 19, 1945, St. Louis, Missouri) is an American actor, known for his role on the ABC primetime soap opera Dynasty from 1983 to 1989 as Farnsworth "Dex" Dexter, the third husband of Alexis Colby (played by Joan Collins). He is the nephew of actor George Nader.The athletic Nader began his acting career in 1963 as a featured extra in many of AIP's Beach Party films, usually billed as "Mike Nader". He later appeared in the 1965-66 TV series Gidget.