Sidney Lanfield Director Esther Williams Whitney Young Actor Joan Evans Mary Kate Yarbrough Actor Vivian Blaine Una Yancy Actor Barry Sullivan Lt. Cmdr. Paul Elcott Actor Keefe Brasselle Dick Hallson Actor Billy Eckstine Self Dean Miller Archie O'Conovan Actor Margalo Gillmore Lt. Cmdr. Stauton Actor Jeff Donnell CPO Giff Actor Thurston Hall Thatcher Kinston Actor Russell `Bubba' Tongay Little Boy Actor Kathy Tongay Little Girl Actor Roy Roberts Capt. Graymont Actor Emmett Lynn Pop (the plumber) Actor Hayden Rorke Doctor Actor Debbie Reynolds Self Bobby Van Self Paul Harvey Old Naval Officer in Theatre (uncredited) Actor Whit Bissell Mr. Yarbrough (uncredited) Actor Mae Clarke Miss LaValle (uncredited) Actor Joe Pasternak Producer