Law & Order Casts Ryan Eggold as [Spoiler]’s Brother, Mariska Hargitay and Elizabeth Marvel to Guest-Star

For his first TV appearance since New Amsterdam wrapped its five-season run, Ryan Eggold is set to guest-star on another NBC drama — Law & Order. Law & Order: SVU front woman Mariska Hargitay and franchise vet Elizabeth Marvel are also lined up to appear on the original series’ revival this fall. Eggold, TVLine has […]