Several actors in studio records/casting call lists did not appear or were not identifiable in this movie. These were (with their character names): Diane Bryan (Martha at Age 5), Donna Bryan (Martha at Age 7), Peggy Burke (II) (Helen at Age 7), Keith Moore (I) (Percy at Age 6), Mindy Sherwood (Helen at Age 5) and Walter Wright Jr. (Percy at Age 8)
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