On Y&R, Marla Adams (Dina Mergeron, mother of Jack, Ashley and Traci Abbott) is returning after decades away from Genoa City. And Beth Maitland (Traci Abbott) was on the other day. Then again, she pops up from time to time to interact with the family.
Also, Corbin Bernsen (Father Todd) was on for Kevin and Chloe's failed wedding.