In 2015, he portrayed model Tristan Duffy and actor Rudolph Valentino in American Horror Story: Hotel, and starred in the ensemble cast of the dramedy film The Big Short.
[3][4][5][6][7][8] As a teenager, he attended the Los Angeles County High School for the Arts, where he would act, make films and be a part of movement classes for actors.
[12] At the end of high school, Wittrock appeared in guest stints on the police procedural series Cold Case and medical drama ER.
He also made an appearance on CSI: Miami and in the Disney Channel Original Movie Halloweentown High (2004) during his time at drama school.
Director Mike Nichols came to see the play and later told Wittrock to audition for producer Scott Rudin for their upcoming revival of Arthur Miller's Death of a Salesman.
[23] In 2015, Wittrock marked his third collaboration with Murphy as model Tristan Duffy and actor Rudolph Valentino in the fifth installment of American Horror Story, subtitled Hotel.
[27] He co-stars as Cassio alongside Daniel Craig and David Oyelowo in the Sam Gold-directed production of William Shakespeare's Othello, which started its run on December 12 at the New York Theatre Workshop.
[28] In 2017, Wittrock returned to Broadway, in the Sam Gold-directed production of Tennessee Williams' play The Glass Menagerie, opposite Sally Field and Joe Mantello.
In January 2019, it was announced that Wittrock will star in the upcoming Netflix drama series Ratched,[32] as well as appearing in one episode of American Horror Story: 1984.
[33] In April 2021, Wittrock had officially been cast as Guy Gardner for the HBO Max live action television series based on Green Lantern.
It was speculated that the majority of actors involved in the DCEU would be recast, and that all prior plans for DC in film or TV had been cancelled, leading to intense backlash from fans, but a clear answer was never given.
In July 2023 Gunn announced that he had chosen to cast frequent collaborator Nathan Fillion as the Guy Gardener character, effectively replacing Wittrock.