Cook pasta as directed on package.
Coat chicken with 1 teaspoon of OLD BAY. In a large nonstick skillet melt butter on medium heat. Add chicken. Cook 2 to 3 minutes per side.
Coat shrimp with 2 teaspoons of OLD BAY. Add shrimp to chicken. Cook while stirring 2 to 3 minutes or until shrimp turn pink.
Mix remaining 1 teaspoon OLD BAY and heavy cream. Stir into skillet with cooked pasta and green onions. Simmer 5 minutes or until sauce thickens and pasta is heated through.