Dex Dexter

Farnsworth "Dex" Dexter is a fictional character on the American TV series Dynasty. The character was introduced as a love interest for Alexis Colby in episode 69. He will become her third husband, and arguably the second great love of her life, after Blake. Even after their marriage ends, Dex remains a strong force in Alexis's life. The role was originated by Michael Nader in 1983, and remained on the show until the final episode (#220) in 1989. Dex did not return for the 1991 miniseries Dynasty: The Reunion.

Season four

After ColbyCo. abruptly abandons its plans to acquire Denver-Carrington, board member Sam Dexter, an old friend of Blake Carrington's, sends his son Dex to meet with Blake to understand why. In episode 69, Dex confronts Blake and his ex-wife Alexis Colby. Dex and Alexis are immediately drawn to each other. Dex gets the best of Alexis in a business deal (he discovers information in her office and acts on it before she can) and offers her a 60-40 split so they can work together. Although Alexis resists, by episode 72 they become lovers.