Season eight stars John Forsythe as millionaire oil magnate Blake Carrington; Linda Evans as his wife Krystle; Jack Coleman as Blake and Alexis's earnest son Steven; Gordon Thomson as Blake and Alexis's eldest son Adam; Emma Samms as Blake and Alexis's daughter Fallon; John James as Fallon's ex-husband Jeff Colby; Leann Hunley as Adam's wife Dana Waring; Heather Locklear as Krystle's niece and Steven's ex-wife Sammy Jo; Michael Nader as Alexis's ex-husband Dex Dexter; James Healey as Alexis's mysterious new husband Sean Rowan; Terri Garber as Blake's niece Leslie Carrington; and Joan Collins as Alexis Colby, Blake's ex-wife and the mother of Adam, Fallon, Steven, and Amanda.