Since 2014 he has starred as Dandy Mott, Tristan Duffy, and Rudolph Valentino on the television series American Horror Story. Wittrock has starred in the movies Twelve, A New York Winter’s Tale, Noah, Unbroken, Courage, The Submarine Kid, and The Big Short. He has also appeared in episodes of the TV series Cold Case, ER, CSI: Miami, Torchwood, Harry’s Law, Criminal Minds, Law & Order: Special Victim’s Unit, Masters of Sex, and Deadbeat. He has been nominated for a Primetime Emmy Award and a Critics Choice Television Award for American Horror Story and for a Screen Actors Guild Award for The Big Short.