Heather Locklear no longer appears in two shows at the same time, due to the cancellation of T.J. Hooker in May 1986.
New opening credits shots for Jack Coleman, Michael Nader, Diahann Carroll, and Joan Collins. Collins also gets a new background shot in the opening credits, as does Ted McGinley.
The fire at LaMirage wipes out Amanda's English accent. Cast change from Catherine Oxenberg to Karen Cellini did this. This is not explained.
Wayne Northrop returns as Michael, the Carrington's sneaky limo driver from the first season.