Patty Petersen

Patti Petersen Mirkovich, formerly known as Patty Petersen, is a retired American actress. Her brother, Paul Petersen costarred in The Donna Reed Show. Patty was written into the cast as Trisha, an adopted child after Shelley Fabares left the series. She stayed with the show until it ended in 1966. After many commercials and industrial films, she semi-retired to marry and rear a family of her own.