In a small bowl, whisk together eggs, scallions, parsley, mustard, Worcestershire sauce, salt and pepper. In a large bowl, stir together crabmeat and 1 1/4 cups cornflake crumbs. Pour egg mixture into crab mixture and stir to combine. Form mixture into 8 patties, each about 1 inch thick. (Recipe can be prepared up to this point several hours in advance; refrigerate until ready to cook.)
Coat each patty on both sides with remaining cornflake crumbs. Heat 2 Tbsp. oil in nonstick skillet over medium heat. Add 4 crab cakes and cook, turning once, until browned on both sides, about 6 to 8 minutes total. Transfer cooked crab cakes to a paper towel-lined baking sheet to drain. Add remaining oil to pan and cook remaining crab cakes. Serve immediately.