Roughly chop the crab meat into small pieces and set aside.
In a large bowl, mix the cream cheese, sour cream, Worcestershire sauce, and sugar until smooth.
Add the crab meat, red onion, and parsley. Gently fold until everything is evenly combined.
Transfer the mixture to a serving plate or platter and smooth it out evenly.
Spread the cocktail sauce over the top.
Serve with crackers.