In a mixing bowl, combine the cubed bread, diced onion, diced celery, melted butter, sage, thyme, rosemary, salt, pepper, and chicken broth. Stir until the bread is evenly moistened.
Spread the stuffing mixture in an even layer in the bottom of the slow cooker.
Place the turkey breast on top of the stuffing. Season the top of the turkey with the remaining salt and pepper.
In a small bowl, stir together the fresh cranberries, sugar, and orange juice. Pour this mixture around the turkey breast.
Cover and cook on low for 6 hours, until the turkey reaches an internal temperature of 165°F.
Remove the turkey breast, let it rest for 10 minutes, then slice and serve with the stuffing and cranberry sauce from the slow cooker.