Ryan O'Nan is best known for his roles as Donno on the ABC hit Big Sky and as King George USA's Queen of the South. (He also is a producer for both.) Other TV credits include recurring roles in such shows as Ray Donovan, Fargo, Swimming with Sharks and Blackout and guest star spots on Animal Kingdom, The Last Tycoon, Proof, Person of Interest, The Blacklist and Wu-Tang: An American Saga. (Which he was a producer/writer on.)