Kammala wannan magana: Yin fim din "Take Me Out to the Ball Game" (1949) ya kasance, a cewar Williams a cikin tarihin rayuwarta, kwarewar "mummunan wahala". Wani lokaci na wasan kwaikwayo da Gene Kelly da Frank Sinatra suka buga, haruffan maza biyu sun kasance 'yan wasa a cikin' yan wasan baseball da KC Higgins ya mallaka, rawar Williams. Ta yi iƙirarin cewa Kelly da co-marubucin Stanley Donen sun bi da ita da raini kuma sun fita daga hanyarsu don yin barkwanci a kan kuɗin ta. Fim din ya samu karbuwa sosai kuma ya zama babban nasarar kasuwanci, ya tara dala miliyan 3.4 a cikin hayar kuma ya zama fim na 11 mafi yawan kuɗi na shekara. Williams ya yi "Neptune's Daughter" (kuma 1949) a kusan lokaci guda tare da Ricardo Montalbán, Red Skelton da Betty Garrett, wanda kuma ya kasance a cikin "Take Me Out to the Ball Game". A cikin fim din, Williams ya rera "Baby, It's Cold Outside" tare da Montalbán. Waƙar ta lashe lambar yabo ta Academy don Mafi Kyawun Mawaki na asali a
Kyautar Academy ta 22. Williams da Montalbán an tsara su ne da farko don raira waƙa "Ina son samun ku a kan jirgin ruwa mai jinkiri zuwa China", amma masu binciken studio sun yi tunanin waƙar tana da jima'i sosai (fassara kalmar "samun" a matsayin "da") kuma a maimakon haka ya ba su "Baby, It's Cold Outside". "Neptune's Daughter" ya zama fim na 10 mafi girma a shekarar 1949.