Last seen at Marriott Theatre as Applegate in Damn Yankees. Off-Broadway: Rose Rage (The Duke on 42nd Street). Regionally: Dr. Frankenstein in Young Frankenstein (Mercury Theatre), Malvolio in Twelfth Night (Writers Theatre), Miss Trunchbull in Matilda, Detective Cioffi in Curtains (Drury Lane), Joseph in The Book of Joseph (Chicago Shakespeare), and work at Court, Goodman, Porchlight, Northlight, Theatre at the Center, Timeline, Remy Bumppo, About Face, First Folio, Intiman (WA), Old Globe (CA), and Peninsula Players (WI). TV: Antoon Dumini in “Fargo” (FX), “Chicago PD”, “Chicago Med”, “Chicago Fire” (NBC), “Monster” (NETFLIX). Film: The Merry Gentleman directed by Michael Keaton. Sean has received eleven Jeff Award nominations and an After Dark Award.