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Parsons, who made his Broadway debut in The Normal Heart, is best known for his Emmy-winning work on TV's "The Big Bang Theory."
The Roundabout Theatre Company production of Harvey features Parsons (Elwood P. Dowd), Jessica Hecht (Veta Louise Simmons), Charles Kimbrough (William R. Chumley, M.D.), Larry Bryggman (Judge Omar Gaffney), Carol Kane (Betty Chumley), Peter Benson (E.J. Lofgren), Tracee Chimo (Myrtle Mae Simmons), Holley Fain (Ruth Kelly, R.N.), Angela Paton (Mrs. Ethel Chauvenet), Rich Sommer (Duane Wilson) and Morgan Spector (Lyman Sanderson, M.D.). Scott Ellis directs.
Harvey will officially open June 14 at Studio 54.
For more information visit www.roundabouttheatre.org.