To set up the new series, "Dynasty" introduced the series regulars of "The Colbys", including Charlton Heston as wealthy Colby Enterprises CEO Jason Colby; Stephanie Beacham as his wife Sable; Tracy Scoggins as their daughter Monica, twin sister to Miles; Claire Yarlett as Bliss Colby; Jason and Sable's youngest daughter; Barbara Stanwyck as Jason's sister Constance Colby; and Ricardo Montalban as shipping tycoon Zach Powers.