The cast of The Show Boat Story - 1989 includes: Tess Gardella as Queenie (silent home movie footage from 1932 revival) William Hammerstein as himself Dennis King as Gaylord Ravenal (silent home movie footage from 1932 Broadway revival) Miles Kreuger as himself Laura La Plante as Magnolia Hawks (clip from 1929 film of "Show Boat") John McGlinn as Himself (Conductor) Helen Morgan as Julie LaVerne (clip from 1936 film of "Show Boat") Norma Terris as Magnolia Hawks (silent home movie footage from 1932 Broadway revival)