Actress Rosie O'Donnell plays Vi, the owner of the speakeasy, also played Doris Murphy in the 1992 motion picture version of A League of Their Own.
Carson, describing the bar to Greta, mirrors Dorothy's speech at the end of The Wizard of Oz about X was there and Y was there.
Kate Berlant stands outside a 1940's movie theater, and in Quentin Tarantino's Once Upon A Time in Hollywood she worked in a 1960's movie theater. Ironically, Ghost Ship was the first movie of tough guy actor Lawrence Tierney, who'd co-star in Tarantino's breakthrough, Reservoir Dogs.