Mary Louise Weller in The Hardy Boys/Nancy Drew Mysteries (1977)

Parker Stevenson and Mary Louise Weller in The Hardy Boys/Nancy Drew Mysteries (1977)

Mary Louise Weller in National Lampoon's Animal House (1978)

"National Lampoon's Animal House" James Daughton, John Belushi, Mary Luoise Weller, Tim Matheson 1978 Universal Studios

John Belushi, Martha Smith, and Mary Louise Weller in National Lampoon's Animal House (1978)

Nancy Morgan and Mary Louise Weller in The Hardy Boys/Nancy Drew Mysteries (1977)