Casey most recently appeared in West Side Story at the Maltz Jupiter Theatre in Jupiter, Florida as Baby John and the season prior as Elmer in Newsies. In New York, Casey played George Llewelyn Davies in the Broadway production of Finding Neverland. Regionally, he has appeared as Billy Ray, Jr. in On Golden Pond, Gus/Augustus in Arcadia, and Tom of Warwick in Camelot at Palm Beach Dramaworks, the latter a role he reprised for the national tour.