Isabel Hazard is played by three different actresses in the three "North & South" mini-series. She is played by Wendy Fulton in North and South (1985); by Mary Crosby in North and South, Book II (1986); and by Deborah Rush in Heaven & Hell: North & South, Book III (1994).
Tony Frank (Keyes) appeared in North and South, Book I (1985) and North and South, Book II (1986), but in a different role, the slave overseer Salem Jones.
Orry, Jr was born during Civil War. Near end of Book 2 when Orry is searching for Madeline, he says it has been 2 years since he saw Madeline. However, when he finds her, Orry Jr has remained an infant. Now at beginning of Heaven and Hell, he's not even a toddler.