Studio 54 is a Broadway theater and former nightclub at 254 West 54th Street in the Midtown Manhattan neighborhood of New York City, New York, U.S. Opened as the Gallo Opera House in 1927, it served as a CBS broadcast studio in the mid-20th century. Steve Rubell and Ian Schrager opened the Studio 54 nightclub, retaining much of the former theatrical and broadcasting fixtures, inside the venue in 1977. Roundabout Theatre Company renovated the space into a Broadway house in 1998.