Dancing instructor Nick Davis (Lawerence Keith) is a family friend of the Kanes, Erica's mother's friend to be exact. He often appears when Erica is in trouble--to help her out or advise her.
Pictured Above: Nick Davis with his first wife and true love, Ann Tyler Martin (Judith Barcroft). When Nick wrongly believed he was sterile and couldn't give Ann children, he divorced her.
Nick Davis with one of his less legitimate children, Philip Brent (Robert Hatch), whom he saved from certain death during a gas leak in Brent's house that caused Brent to pass out.
One time Nick would have been better to advise than get involved. Nick and Erica enjoyed a brief affair--more of a father figure/Electra thing than a real love affair.