. "Sister Mary Pius was a young nun who accompanied Sister Mary Augustine to the clinic in the Season 1 episode Damned If You Do. She was portrayed by actress Lori Rom. Pius believes that Augustine's dermatitis is actually stigmata."@en . . . . "Mary Pius"@en . "Nun"@en . "Sister Mary Pius was a young nun who accompanied Sister Mary Augustine to the clinic in the Season 1 episode Damned If You Do. She was portrayed by actress Lori Rom. Pius believes that Augustine's dermatitis is actually stigmata."@en . . . "Sister Mary Pius"@en .