The voice of "Dr. Russo" was provided by a real life physician, Edward Rosick. While on set filming, his co-star Diana Salinas learned that in real life, Rosick was Chair and Medical Director for the Department of Family Medicine at Michigan State University where she was enrolled as med student.
The Victorian house used as "Greg's" home was part of Detroit's historic "Cork town" neighborhood, so named for the immigrants of Cork County, Ireland, who settled it.