Recurring Guest Characters Loni Coombs 3 guest appearances Vinnie Politan 3 guest appearances Danielle Bregoli 2 guest appearances Gene Simmons 1 guest appearances Katharine McPhee 1 guest appearances David Foster 1 guest appearances Joseph Scott Morgan 1 guest appearances Scott Rouse 1 guest appearances Greg Hartley 1 guest appearances Paula Lavigne 1 guest appearances Amala Ekpunobi 1 guest appearances Dr. Neal Lester 1 guest appearances Birttany Rose 1 guest appearances Dr. Charles Sophy 1 guest appearances