Denis O'Hare portrays the iconic Max ("Old Max") in NBC's holiday special "Dr. Seuss' The Grinch Musical!"

O'Hare was nominated for an Emmy Award for his role on "This Is Us" and has been twice nominated for his performances on "American Horror Story." 

His other television roles include "True Blood," "The Good Wife" and the most recent season of "Big Little Lies," for which he received a Screen Actors Guild Award nomination for Best Ensemble in a Drama Series. He is currently in production on the HBO series "The Nevers."

O'Hare won a Tony Award for his performance in Richard Greenberg's "Take Me Out," for which he also received Obie, Drama Desk, Outer Critics Circle and Lucille Lortel awards. He was also nominated for his work in the revival of Stephen Sondheim's "Assassins" and received an Obie for his one-man performance of "An Iliad," for which he is also the playwright. 

Other stage credits include "Sweet Charity" (Drama Desk Award), "Cabaret," "Inherit the Wind," "Major Barbara," Elling," "Racing Demon," "Hauptmann" and his London debut in the National Theatre production of "Tartuffe."

His numerous film credits include "Swallow," "The Postcard Killings," "Late Night," "The Goldfinch," "Novitiate," "Stano," "The Normal Heart," "Dallas Buyers Club" (for which he received a SAG Award nomination), "The Proposal," "Duplicity," "Milk" (SAG Award nomination, Cast in a Motion Picture; Critics' Choice Award, Best Acting Ensemble), "Changeling," "Charlie Wilson's War," "Michael Clayton," "A Mighty Heart," "Half Nelson," "Garden State," "21 Grams," "The Anniversary Party," "Lizzie," "A Worthy Companion," "Private Life" and "The Parting Glass," for which he is also the screenwriter.