Bio: Hillary Horan was born on June 8, 1954 in Los Angeles, California, USA. She is an actress, known for Young Doctors in Love (1982), Mork & Mindy (1978) and Happy Days (1974)
Hillary Horan was 19+ in Happy Days as 'Brunette in Plaid Skirt (uncredited), Short-Haired Brunette (uncredited), Girl Playing Drum (uncredited), Majorette (uncredited), Girl in Red Skirt (uncredited), Brunette in Gray Skirt (uncredited), Girl in Plaid Skirt (uncredited), Girl in Red Scarf (uncredited), Dancer in Red (uncredited), Audience Member in Purple (uncredited), Girl in Maroon Scarf (uncredited), Brunette in Blue and White (uncredited), Brunette in White (uncredited), Brunette in Yellow Jacket (uncredited), Brunette in Orange Skirt (uncredited), Birdhouse Girl in Green (uncredited), Brunette in Red Jacket (uncredited), Girl in Red Jacket (uncredited), Girl Playing Drums (uncredited), Brunette in Yellow Top (uncredited), Cheerleader on Fonzie's Left (uncredited), Fonzie's Brunette - Green Skirt (uncredited), Brunette Prom Girl in Blue (uncredited), Peggy, Girl Dancing with Ralph (uncredited), Daphne, Girl Playing Drums, Nurse Elaine'.
