Curiosidades

Born in New York City and left New York City to come to Los Angeles after The Exorcist was shot. She shot The Exorcist with a SAG principal contract and was contracted to play the part of the demon.

She has an identical twin sister, Marianne Dietz.

At the age of just 6 weeks old she and her identical twin sister Marianne appeared in a TV commercial for a soap detergent.

Has a sister, Denise, who is a writer.