Recurring Guest Characters Michael J. Fox 5 guest appearances Denise Miller 5 guest appearances Tony Danza 5 guest appearances Melody Scott 5 guest appearances Jill Whelan 5 guest appearances Philip McKeon 5 guest appearances Anita Gillette 5 guest appearances LeVar Burton 5 guest appearances Billy Crystal 5 guest appearances Bonnie Urseth 5 guest appearances Lynn Redgrave 1 guest appearances John Schuck 1 guest appearances Constance McCashin 1 guest appearances Nipsey Russell 1 guest appearances